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raketka [301]
2 years ago
5

Hey will mark highest

Mathematics
2 answers:
choli [55]2 years ago
5 0

Answer:

x + 159 = 180

x = 21

Step-by-step explanation:

VashaNatasha [74]2 years ago
4 0

Answer:

Step-by-step explanation:

x + 159 = 180

x = 21

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The area of a semi circle is 20
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Answer:

A = 157 in^2

Step-by-step explanation:

First, we need to get the radius, we can do this by dividing our given diameter by 2.

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Formula for Area of a Semi Circle: (1/2)(pi(r^2)

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Finally, we have our result which is 157 inches^2.

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