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The area of a circle A is 85π ft2. ∠BAC is a central angle of the circle, and m∠BAC = 36°

What is the area of the 36° sector?

Question 1 options:

8.5πft2

10πft2

17πft2

21.25πft2

Respuesta :

calculista
we know that
The area of a circle A is 85π ft2. ∠BAC is a central angle of the circle, and m∠BAC = 36°
so

if 360° (full circle) has an area of----------> 85π ft2
 36°------------------------------> X
X=36* 85π/360°-----> 8.5π ft2

the answer is
8.5π ft²

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