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Jlenok [28]
2 years ago
5

What is the area of the shaded region below? 7 m 30 m 7 m 21 m

Mathematics
1 answer:
Rama09 [41]2 years ago
5 0

Answer:

322.28

A

Step-by-step explanation:

Area of the rectangle

L = 30

W = 21

Area = 30 * 21

Area = 630

Area of the circles

Radius = 7 m

Area = pi r^2

Area = 3.14 * 7^2

Area = 153.86 m^2

Area of both circles = 307.72

Area of the Shaded Region

Area of shaded region = area of the rectangle - area of 2 circles.

Area of Shaded Region = 630 - 307.72

Area of Shaded Region = 322.28

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Since \tan\theta=\dfrac{\sin\theta}{\cos\theta}>0, and we know that \sin\theta=\dfrac2{\sqrt5}>0, we then also know that \cos\theta>0.

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