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andriy [413]
3 years ago
5

Pyramid A is a square pyramid with a base side length of 12 inches and a height of 8 inches. Pyramid B is a square pyramid with

a base side length of 36 inches and a height of 24 inches. How many times bigger is the volume of pyramid B than pyramid A?
Mathematics
1 answer:
kupik [55]3 years ago
6 0

Answer:

<h2>27 times</h2>

Step-by-step explanation:

The formula of a volume of a pyramid:

V=\dfrac{1}{3}BH

<em>B</em><em> - base area</em>

<em>H</em><em> - height</em>

<em />

We have two square pyramids.

The bases are squares. The formula of an area of a square with sides <em>s</em> :

A=s^2

Pyramid A:

<em>s = 12in, H = 8in</em>

B_A=12^2=144\ in^2\\\\V_A=\dfrac{1}{3}(144)(8)=384\ in^3

Pyramid B:

<em>s = 36in, H = 24in</em>

B_B=36^2=1296\ in^2\\\\V_B=\dfrac{1}{3}(1296)(24)=10368\ in^3

Calculate the quotient:

\dfrac{V_B}{V_A}=\dfrac{10368}{384}=27

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