If the area of the circle shown below is 12 m2, what is the area of the shaded sector

A

Step-by-step explanation:

A)  

Step-by-step explanation:

We are given the area of the circle = 12

The central angle and the arc length = 90°

Therefore, the shaded region is quarter circle. Which is quarter of the whole circle.

So, we can find the shaded sector area dividing 12 by 4.

Area of the shaded sector =

=

Therefore, the answer is A)  

a. she will receive a refund of $278.

step-by-step explanation:

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step-by-step explanation:

told you