Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 14.3 Answer Key Measure and Draw Angles.

## Texas Go Math Grade 4 Lesson 14.3 Answer Key Measure and Draw Angles

**Essential Question**

How can you use a protractor to measure and draw angles?

Answer:

We will use a protractor by placing the midpoint of the protractor on the vertex of the angle and then we will mark the angle which we needed.

**Unlock the Problem**

Emma wants to make a clay sculpture of her daughter as she appears in the photo from her dance recital. How can she measure ā DOE, or the angle formed by her daughterās arms?

A protractor is a tool for measuring the size of an angle.

**Activity** Measure ā DCE using a protractor.

Materials

- protractor

STEP I Place the center point of the protractor on vertex C of the angle.

Answer:

STEP 2 Align the 0Ā° mark on the scale of the protractor with ray CE.

Answer:

STEP 3 Find where ray CD intersects the same scale. Read the angle measure on that scale. Extend the ray if you need to.

The mā DCE = _________ . Read the mā DCE as the āmeasure of angle DCEā.

So, the angle formed by Emmaās daughters arms is ____________ .

Answer:

The angle formed by Emmaās daughter’s arms is 120 degrees.

Explanation:

Here, the mā DCE is 120 degrees. So the angle formed by Emmaās daughter’s arms is 120 degrees.

**Activity** Draw ā KLM with a measure of 82Ā°

Materials

- protractor

STEP 1 Use the straight edge of the protractor to draw and label ray LM.

STEP 2 Place the center point of the protractor on point L.

Align ray LM with the 00 mark on the protractor.

STEP 3 Using the same scale, mark a point at 82Ā°. Label the point K.

STEP 4 Use the straight edge of the protractor to draw ray LK.

Answer:

**Share and Show**

Question 1.

Measure ā ABC.

Place the center of the protractor on point ___________ .

Align ray BC with ___________.

Read where ___________ intersects the same scale.

So, the mā ABC is ___________.

Answer:

The mā ABC is 115 degrees.

Explanation:

Here, we will place the center of the protractor on point B and align ray BC with AB then we will read where mā ABC intersects the same scale. So, the mā ABC is 115 degrees.

**ERROR Alert:** Be sure to use the correct scale on the protractor. Ask yourself: Is the measure reasonable?

**Lesson 14.3 Answer Key Measure and Draw Angles Question 2.**

mā ONM = ____________

Answer:

mā ONM = 55Ā°.

Explanation:

The angle of mā ONMĀ is 55Ā°.

Question 3.

mā TSR = ____________

Answer:

mā TSR = 105Ā°.

Explanation:

The angle of mā TSR is 105Ā°.

**Use a protractor to draw the angle.**

Question 4.

170Ā°

Answer:

The angle of 170Ā° is

Question 5.

78Ā°

Answer:

The angle of 78Ā° is

**Math Talk**

Mathematical Processes

Describe how drawing and measuring angles are similar.

Answer:

**Problem Solving**

Question 6.

Representations Mrs. Murphy is building a wheelchair ramp outside her business. The angle of the ramp should be 5Ā°. Draw a picture in the space to the right to show a model of the ramp.

Answer:

Given that Mrs. Murphy is building a wheelchair ramp outside her business and the angle of the ramp should be 5Ā°. So the picture is

Question 7.

**H.O.T.** Write Math Draw an angle with a measure of 0Ā°. Describe your drawing.

Answer:

**Grade 4 Measure and Draw Angles Lesson 11.3 Question 8.**

**H.O.T.** Whatās the Error? Tracy measured an angle as 50Ā° that was actually 130Ā°. Explain her error.

Answer:

**Use the diagrams and a protractor for 9-11.**

Question 9.

Use Tools In the Northern Hemisphere, Earthās axis is tilted away from the sun on the first day of winter, which is often on December 21. What is the measure of the marked angle on the first day of winter, the shortest day of the year?

Answer:

Question 10.

Use Diagrams Earthās axis is not tilted away from or toward the sun on the first days of spring and fall, which are often on March 20 and September 22. What is the measure of the marked angle on the first day of spring or fall?

Answer:

Question 11.

In the Northern Hemisphere, Earthās axis is tilted toward the sun on the first day of summer, which is often on June 21. What is the measure of the marked angle on the first day of summer, the longest day of the year?

Answer:

**Daily Assessment Task**

**Fill in the bubble completely to show your answer.**

Question 12.

Kate tosses a stone in the water at a stone-skipping tournament. It forms a 200 angle with the water and skips many times. Which angle measures 20Ā°?

(A)

(B)

(C)

(D)

Answer:

B.

Explanation:

The angle thatĀ measures 20Ā° is option B.

Question 13.

Kyle moves furniture up a ramp to get it on a truck. What is the measure of the angle formed by the ramp?

(A) 150Ā°

(B) 80Ā°

(C) 300

(D) 60Ā°

Answer:

D.

Explanation:

The measure of the angle formed by the ramp is 60Ā°.

**Grade 4 Lesson 14.3 Drawing Angles Worksheet Answer Key Question 14.**

**Multi-Step** Maria builds two sets of stairs in her doll house. Measure the angles in the picture at the right. What is the difference between the measures of the angles formed by the stairs?

(A) 1Ā°

(B) 30Ā°

(C) 40Ā°

(D) 10Ā°

Answer:

B.

Explanation:

Here, the angle <QRS is 60Ā°, and the <HGF is 30Ā°. So the difference between them is 60Ā°-30Ā° which is 30Ā°.

**TEXAS Test Prep**

Question 15.

What is the measure of LQRS?

(A) 35Ā°

(B) 45Ā°

(C) 135Ā°

(D) 155Ā°

Answer:

C.

Explanation:

The measure of <QRS is 135Ā°.

### Texas Go Math Grade 4 Lesson 14.3 Homework and Practice Answer Key

**Use a protractor to find the angle measure.**

Question 1.

mā ABC = ___________

Answer:

mā ABC =110Ā°.

Explanation:

By measuring the angle with a protractor we will get the angle mā ABC as 110Ā°.

Question 2.

mā XYZ = __________

Answer:

mā XYZ + 20Ā°.

Explanation:

By measuring the angle with a protractor we will get the angle mā XYZ as 20Ā°.

**Use a protractor to find the angle measure.**

Question 3.

125Ā°

Answer:

The angle of 125Ā° is

Question 4.

86Ā°

Answer:

The angle of 86Ā° is

Question 5.

35Ā°

Answer:

The angle of 35Ā° is

Question 6.

180Ā°

Answer:

The angle of 180Ā° is

**Problem Solving**

Question 7.

George leaned a ladder against his house. The angle of the ladder to the ground measured 65Ā°. Draw a picture to show a model of the angle.

Answer:

Given that George leaned a ladder against his house and the angle of the ladder to the ground measured 65Ā°, so the picture to show a model of the angle is

**Lesson 14 Homework Answer Key Grade 4 Question 8.**

Grayson built a skateboard ramp. The angle of the ramp is 14Ā°. Draw a picture to show a model of the ramp.

Answer:

Given that Grayson built a skateboard ramp and the angle of the ramp is 14Ā°, the model of the ramp is

**Lesson Check**

**Fill in the bubble completely to show your answer.**

Question 9.

What is the measure of ā LMN

(A) 110Ā°

(B) 70Ā°

(C) 105Ā°

(D) 75Ā°

Answer:

D.

Explanation:

The measure of ā LMN is 75Ā°.

Question 10.

Whitney drew these angles. Which of the angles has a measure of 130Ā°?

(A)

(B)

(C)

(D)

Answer:

B.

Explanation:

The angle that measures 130Ā° is B.

Question 11.

An artist is cutting glass triangles to make a star-shaped stained glass window. What is the measure of each of the angles formed at the tips of the star?

(A) 140Ā°

(B) 30Ā°

(C) 40Ā°

(D) 110Ā°

Answer:

B.

Explanation:

The measure of each of the angles formed at the tips of the star is 30Ā°.

Question 12.

**Multi-Step** Elizabeth is making a quilt with scraps of fabric. Measure the angles in the picture. What is the difference between the measures of the angles of each scrap of fabric?

(A) 25Ā°

(B) 15Ā°

(C) 165Ā°

(D) 75Ā°

Answer:

A.

Explanation:

The measure of the angles of each scrap of fabric is 25Ā°.

Question 13.

Hector drew a map of his Street corner. Use a protractor to find x, the measure of an angle formed where Jefferson Street intersects Washington Street.

(A) 130Ā°

(B) 135Ā°

(C) 45Ā°

(D) 62Ā°

Answer:

C.

Explanation:

The measure of an angle formed where Jefferson Street intersects Washington Street is 45Ā°.

Question 14.

**Multi-Step** After eating at a restaurant, Faith had one quarter of her pizza left to take home. She took the pizza home and cut it into three equal slices. What is the angle measure of each of the slices of pizza?

(A) 60Ā°

(B) 40Ā°

(C) 90Ā°

(D) 30Ā°

Answer:

D.

Explanation:

Here, one whole pizza is 360 degrees and 360Ć·4 which is 90Ā° and 90Ć·3 which is 30Ā°. So each pizza slice has an angle measure of 30Ā° degrees.