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lesya692 [45]
2 years ago
8

Find the circumference and area

Mathematics
1 answer:
kozerog [31]2 years ago
7 0
C=2pi(r)

Pi=3.14

r=5.5

So C=2(3.14)(5.5)=34.56

So the circumference is 34.56 mi

And the area is A=pi(r)²

So you have

A=3.14(5.5)²

So A=95.03 mi²


So the area is 95.03 mi² and the circumference is 34.56 mi


Hope this helps!
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Answer:

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Step-by-step explanation:

Given

See attachment for prisms

Height(h) = 10cm

Required

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Where

A_b = \sqrt{s * (s - a) * (s -b) * (s - c)}

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From the attachment;

a = 8; b =6; c =10

So, we have:

s = \frac{a + b + c}{2}

s = \frac{8 + 6 + 10}{2}

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Also:

A_b = \sqrt{s * (s - a) * (s -b) * (s - c)}

A_b = \sqrt{12 * (12 - 8) * (12 - 6) * (12 - 10)}

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Prism B is a rectangular prism. So, the area is calculated as:

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