Mathematics: Find the area of the shaded sector of the circle. leave your answer in terms of pi.

Find the area of the shaded sector of the circle.

Ответ:

vanessagomezcx

13.03.2022

We know that
area of circle =pi*r²
for r=4 ft
area=pi*4²> 16*pi ft²

the shaded sector of the circle represent 3/4 of the total area
so
3/4*16*pi> 12*pi ft²

the answer is
12*pi ft²

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Ответ:

lisamccray45

13.03.2022

Mathematics

By definition, the area of the shaded region is given by: $A = (s' / s) * ( \pi ) * (r ^ 2)
$
Where,
r: radius of the circle
s'/s: relationship of arcs
Substituting values we have: $A = (270/360) * ( \pi ) * (4 ^ 2)

A = 12 * \pi$

The area of the shaded region is: $A = 12 * \pi$
option 1

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Ответ:

aprilhood4022

15.03.2022

Mathematics

Look below

Step-by-step explanation:

a^2 + b^2 = c^2

2^2 + 2 root 3^2 = 4^2

4 + 12 = 16

16 = 16

If both sides are equal, it means that it triangle is a right triangle.

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Find the area of the shaded sector of the circle. leave your answer in terms of pi.

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