find the area of the shaded regions of following geometrical figure
Answers
Answer:
area of rectangle = l×b
= 3×10
= 30cm2
area of circle = πr2
= 22/7 × 3.5 × 3.5
= 38.5cm2
area of trapezium = 1/2 × ( sum of parallel sides) h
= 1/2 × ( 25 + 15 ) 16
= 40 × 8
= 320cm2
area of unshaded part = area of rectangle + area of circle
= 30 + 38.5
= 60.5cm2
area of shaded regions = area of trapezium - area of unshaded part
= 320 - 60.5
= 259.5 cm2
Therefore, correct answer is 259.5 cm2
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