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Rom4ik [11]
2 years ago
7

Please help I don’t understand

Mathematics
1 answer:
irakobra [83]2 years ago
5 0

Answer:

a. 79

Step-by-step explanation:

Use this theorem

x =  \frac{101 + 57}{2 }  \\ x =  \frac{158}{2}  \\ x = 79

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What is the volume of a hemisphere that
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<u>Given</u>:

Given that the diameter of the hemisphere is 12.6 cm

The radius of the hemisphere is given by

r=\frac{d}{2}=\frac{12.6}{2}=6.3

We need to determine the volume of the hemisphere.

<u>Volume of the hemisphere:</u>

Let us determine the volume of the hemisphere.

The volume of the hemisphere can be determined using the formula,

V=\frac{2}{3} \pi r^3

Substituting the values, r = 6.3 and π = 3.14, we have;

V=\frac{2}{3} (3.14)(6.3)^3

Simplifying the values, we have;

V=\frac{2}{3} (3.14)(250.047)

V=\frac{1570.29516}{3}

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V=523.4

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