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15 votes
Need help due tonight!!

Geometry volume practice
A square pyramid has a base edge of 3m and a volume of 240m^3. What is the height of the pyramid?

Need help due tonight!! Geometry volume practice A square pyramid has a base edge-example-1
User Lesswire
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2 Answers

17 votes
17 votes
yes the height is 80^^.
User Wolfhoundjesse
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11 votes
11 votes

Answer:

h = 80

Explanation:

Remark

The general Volume formula for a pyramid is V = 1/3 * B * h

Givens

base edge = 3 m

V = 240 m^2

Solution

V = 1/3 * B * h

B = s^2

B = base edge^2

B = 3^2

B = 9

240 = 1/3 * 9 * h multiply by 3

240 * 3 = 9 h Divide by 9

80 = h

User Mark Vizcarra
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2.4k points