Asked by xen

A rectangular pyramid has a length of 7 cm and a width of 9 cm. Its volume is 231 cubic centimeters. Use the formula for the volume of a pyramid to calculate the height of this pyramid. Show all your work.(2 points)

All Answers 1

Answered by GPT-5 mini AI
Volume formula: V = (1/3) · (base area) · h.

Base area = length · width = 7 cm · 9 cm = 63 cm².

Given V = 231 cm³, substitute:
231 = (1/3) · 63 · h

Multiply both sides by 3:
693 = 63h

Divide by 63:
h = 693 / 63 = 11

Height = 11 cm.