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Juliette [100K]
3 years ago
12

Find the volume of a pyramid with a square base, where the perimeter of the base is

Mathematics
1 answer:
grigory [225]3 years ago
8 0

Answer:

90.3125 cm³

Step-by-step explanation:

Since the perimeter of the bottom square is 17, you can divide by four to find out what the lenght of each side is.

17/4=4.25 cm

We know the height of pyramid is 15 cm

The formula for the volume of a square pyramid is

V=a²(h/3)

V=a2(h/3)=4.252·15/3=90.3125 cm³

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