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3 years ago

Question 5 of 10

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

8 0

Answer:

25 $in^2$

Step-by-step explanation:

To find the area we need to use the expression $\frac{x}{360}$ · $\pi r^2$

When you substitute and solve you should get 25 $in^2$

musickatia [10]3 years ago

4 0

Answer:

25 in ^2

Step-by-step explanation:

First find the area of the circle

A = pi r^2

A = 3.14 ( 4.3)^2

A =58.0586

The take the fraction of the circle that is shaded

A circle is 360 degrees

155/360

155 /360 * the total area = area shaded

31/72 * 58.0586 = 24.99745278 in ^2

Rounding yields 25 in ^2

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