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pychu [463]
3 years ago
8

A circle has an area of 36pi square inches. Find the radius

Mathematics
1 answer:
zmey [24]3 years ago
6 0
<span>circle area = </span>πr²   ⇒

\pi r^2=36 \pi  \\ r^2= \frac{36 \pi }{ \pi }  \\ r^2=36 \\ r= \sqrt{36}  \\ r=6 \ in
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A semicircular flower bed has a diameter of 3 metres.
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Answer:

3.5 m^2

Step-by-step explanation:

If the shape is half of a circle, you will be using this formula: A = \frac{1}{2} π r^2

Your radius is half of the diameter. r = d/2 = 3/2 = 1.5

Substitute r = 1.5 into the formula.

A = \frac{1}{2} π 1.5^2

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Use your calculator to find the answer and round your answer.

3.5

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3 years ago
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Maurinko [17]

Answer:

$77.44

Step-by-step explanation:

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7 0
2 years ago
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Answer:

12 Pieces

Step-by-step explanation:

Number of candies in Jane's bag = x

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4 0
3 years ago
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