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Mathematics

Answered

I Question 7 (2 of 13)
Find area of shaded region. Round to the nearest tenth.
50 cm
radius: 20 cm
80 cm
Enter your answer by clicking the bubbles.

I Question 7 2 Of 13 Find Area Of Shaded Region Round To The Nearest Tenth 50 Cm Radius 20 Cm 80 Cm Enter Your Answer By Clicking The Bubbles class=

Answer :

Simone909go Simone909go

Method:
Area of trapezium - Area of a half circle

Trapezium = 40(50+80) divided by 2

= 2600

Half circle = 1/2 x pi x 20^2

= 628.3185....
~ 628.3

2600 - 628.3 = 1971.7 cm^2

Hope this helps!!

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