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miss Akunina [59]
4 years ago
10

The radius of a circle is 9 ft. Find its area in terms of pi

Mathematics
2 answers:
slega [8]4 years ago
4 0
<h2><em>Answer:</em></h2><h2><em>8</em><em>1</em><em> </em><em>pi </em><em>ft^</em><em>2</em></h2>

<em>Solution</em><em>,</em>

<em>Radius=</em><em>9</em><em> </em><em>ft</em>

<em>Area </em><em>of </em><em>circle</em><em>=</em><em> </em><em>pi*</em><em>(</em><em>r)</em><em>^</em><em>2</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>pi*</em><em>(</em><em>9</em><em>)</em><em>^</em><em>2</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>8</em><em>1</em><em> </em><em>pi </em><em>ft^</em><em>2</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

ryzh [129]4 years ago
3 0

Answer:

81pi square feet

Step-by-step explanation:

Area of circle is pi*r^2

= 81pi

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