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Oksana_A [137]
3 years ago
8

If the combined area of the white and orange regions is 100π, what is the area of ONLY the orange region?

Mathematics
2 answers:
7nadin3 [17]3 years ago
3 0
<span>64π</span><span> is correct, since the </span>area<span> of the white </span>circle<span> is 36</span>π, and 100π<span> - 36</span>π<span> = 64</span>π<span>.</span>
Sunny_sXe [5.5K]3 years ago
3 0
The area of orange=total-white

given
all=100pi

remember
area=pi times radius^2
white radius is 6
area=pi6^2
area=36pi

areaorange=areatotal-areawhite
areaorange=100pi-36pi
areaorange=64pi square units
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Answer:

<em>The volume of pyramid B is 64 times the volume of pyramid A.</em>

<em></em>

Step-by-step explanation:

Given:

Two square pyramids A and B.

Side Length of A, s_A = 12 inches

Height of A, h_A = 8 inches

Side Length of B, s_B = 48 inches

Height of B, h_B = 32 inches

To find:

How many times bigger is the volume of pyramid B than pyramid A?

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V_B is how many times bigger than V_A ?

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First of all, let us have a look at the formula for volume of a pyramid:

V=\dfrac{1}{3} \times \text{Area of Base} \times \text{Height}

Here, base is square, so:

V=\dfrac{1}{3} \times s^2 \times h

Volume of pyramid A:

V_A=\dfrac{1}{3} \times s_A^2 \times h_A

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Volume of pyramid B:

V_B=\dfrac{1}{3} \times s_B^2 \times h_B

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<em>The volume of pyramid B is 64 times the volume of pyramid A.</em>

3 0
3 years ago
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