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ale4655 [162]
2 years ago
13

Find the area of the white region

Mathematics
1 answer:
klemol [59]2 years ago
3 0

Answer:

Area = 51.89cm^2

Step-by-step explanation:

The- region- is- a -segment\\r = 7cm\\\alpha = 150\\A = \frac{\alpha }{360} \times \pi r^2 -\frac{1}{2} \times r^2Sin\alpha \\\\A = \frac{150}{360} \times 3.142 \times7^2 -\frac{1}{2} \times 7^2  \times Sin 150\\A =5/12 \times 3.142 \times49- (1/2\times 49 \times1/2)\\A = 64.149-49/4\\A = 51.89

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