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xxMikexx [17]
3 years ago
10

A rectangle is placed around a semicircle as shown below. the length of the rectangle is 18yd . find the area of the shaded regi

on. use the value 3.14 for π , and do not round your answer. be sure to include the correct unit in your answer.
Mathematics
1 answer:
VladimirAG [237]3 years ago
7 0
The length of the rectangle is 18yd, therefore, the area of the shaded part is 56.52
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here's the solution,

let the length of shorter peice = x

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now, we know that the sum of length of peices measures 99 feet,

So,

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alexdok [17]

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The measurement of the complement of an angle exceeds the measure of the angle by 25%. Find the measurement of the angle and its
tester [92]
Let the angles be A and C 

<span>Complimentary angles, therefor </span>
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<span>The measurement of the complement of an angle exceeds the measure of the angle by 25% (you used a % sign so I'll use % instead of degrees) </span>
<span>C = 1.25A </span>

<span>Substitute </span>
<span>A + 1.25A = 90 </span>
<span>2.25A = 90 </span>
<span>A = 40º <----- </span>
<span>C = 50º <----- </span>
<span>------------------------------ </span>

<span>If you meant 25º </span>
<span>A + (A + 25) = 90 </span>
<span>2A + 25 = 90 </span>
<span>2A = 65 </span>
<span>A = 32.5º </span>
<span>C = 57.5º</span>
3 0
3 years ago
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