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McGraw-Hill Math Grade 7 Answer Key Lesson 26.6 Volume of Solid Figures
Exercises
CALCULATE VOLUME
Question 1.

Answer:
Volume = 175Ï€ cu in.
Explanation:
Volume (V) = πr2h
V = π x 5 x 5 x 7
V = 175Ï€ cu in.
Question 2.

Answer:
Volume = 1125Ï€ cu in.
Explanation:
Volume (V) = πr2h
V = π x 15 x 15 x 5
V = 1125Ï€ cu in.
Question 3.

Answer:
Volume = 100 cu in.
Explanation:
Volume of a cuboid = (length × width × height) cubic units.
Volume (V) = (l × w × h) cubic units.
V = 10 x 5 x 2
V = 100 cu in.
Question 4.

Answer:
Volume = 154 cu in.
Explanation:
Volume of a cuboid = (length × width × height) cubic units.
Volume (V) = (l × w × h) cubic units.
V = 4 x 3.5 x 11
V = 154 cu in.
Question 5.

Answer:
Volume = 108 cu in.
Explanation:
Volume of a Triangular Prism =(1/2) (length × width × height) cubic units.
B = length x base
Volume of a Triangular Prism =(1/2) (length × width × height) cubic units.
Volume (V) =(1/2) (B × H) cubic units.
V = (1/2) x 3 x 6 x 12
V = 108 cu in.
Question 6.

Answer:
Volume = 17 cu in.
Explanation:
B = length x base
Volume of a Triangular Prism =(1/2) (length × width × height) cubic units.
Volume (V) =(1/2) (B × H) cubic units.
V = (1/2) x 1 x 2 x 17
V = 17 cu in.
