Olivia is making a triangular pyramid model for math class. The triangular base has a height of 5 inches and a base of 8 inches. The height of the pyramid is 10 inches. Find the volume of her pyramid to the nearest tenth of a cubic inch. Enter your answer in the box.
2 answers:
Answer:
66.7 in^3
Step-by-step explanation:
The volume of a triangular pyramid is given by
V = 1/3 B h
where B is the area of the base and h is the height
Calculate the area of the base. The base is a triangle
B = 1/2 bh where b is 8 and h is 5
= 1/2 (8) * 5
=20
V = 1/3 (20) 10
66.6666666
To the nearest tenth
66.7 in^3
Answer:
66.7 in³
Step-by-step explanation:
Volume = ⅓ base area × height
= ⅓(½ × 5 × 8) × 10
= ⅓ × 20 × 10
= 200/3 in³
= 66.6667 in³
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