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OLEGan [10]
1 year ago
7

What is the shaded portion of the figure?

Mathematics
1 answer:
Tema [17]1 year ago
3 0

Answer:

D

Step-by-step explanation:

Area of Part of a Circle = (θ/360)\pi r^{2}

We first find the area of CAB first.

Radius of CAB = AB = 6cm

θ  = 112

Area of CAB = \frac{112}{360} \pi (6)^{2} \\=\frac{56}{5} \pi cm^{2}

Next we will find the area of FAE.

Radius of FAE = AE = 4cm

Area of FAE = \frac{112}{360} \pi (4)^{2} \\=\frac{224}{45} \pi cm^{2}

Lastly,

Area of Shaded Region = Area of CAB - Area of FAE

= \frac{56}{5} \pi -\frac{224}{45}\pi \\=\frac{56}{9} \pi cm^{2}

Therefore the answer is D.

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