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 Module 13 Assessment Answer Key.
Texas Go Math Grade 4 Module 13 Assessment Answer Key
- acute angle
- line segment
- Obtuse angle
- right angle
- straight angle
Choose the best term from the box to complete the sentence.
A ____________ is part of a line between two endpoints.
A ____________ forms a square corner.
An ____________ is greater than a right angle and less than a straight angle.
Angles larger than a right angle and smaller than a straight angle (between 90° and 180°) are called obtuse angles.
The two-dimensional figure that has one endpoint is a ____________.
A 2-dimensional figure that has one endpoint and goes without end in one direction. A ray is shown with an endpoint and an arrow at one end.
An angle that forms a line is called a ____________.
Concepts and Skills
Use Figure A for 6 – 11.
Name a ray.
Name an acute angle.
Name a point.
∠B is a point
Name a line segment.
AB is a line segment
Name a pair of perpendicular lines.
EBF is perpendicular to AGB
Name an obtuse angle.
∠AGC is an obtuse angle.
By observing from the given figure the ∠AGC is an obtuse angle that measures more than 90 degrees.
Classify each triangle. Write acute, right or obtuse.
Obtuse angles measure more than 90 degrees.
A right angle measures 90 degrees.
The angle measures less than 90 degrees.
Fill in the bubble completely to show your answer.
Which describes the figure?
(A) zero lines of symmetry
(B) 1 line of symmetry
(C) 2 lines of symmetry
(D) more than 2 lines of symmetry
1 line of symmetry
Which figure has 2 pairs of sides that appear to be parallel?
Which quadrilateral can have 2 pairs of parallel sides, all side with equal length, and no right angles?
A parallelogram with 4 sides with equal length and no right angles is a rhombus.
Which names the figure correctly?
(A) line FE
(B) ray FE
(C) angle FE
(D) ray EF
The name of the figure we can write correctly is ray FE.