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Zarrin [17]
3 years ago
8

HELP! Given a pyramid l = w = 9.0 mm and V = 324.0 cubic mm , find h in mm

Mathematics
1 answer:
harina [27]3 years ago
3 0

Answer:

The answer to your question is height = 12 mm

Step-by-step explanation:

Data

l = w = 9 mm

V = 324 mm³

h = ?

Formula

V = \frac{Ab x h}{3}

Solve for h

                       3V = Ab h

                       3V / Ab = h    or     h = 3V / Ab

Find the area of the base

Ab = l x w

     = 9 x 9

     = 81 mm²

Substitution

                       h = \frac{3(324)}{81}

Simplification

                       h = \frac{972}{81}

Result

                       h = 12 mm                    

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3 years ago
50 POINTS IF YOU HELP!!!!!
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