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I need some help with this question.

I need some help with this question.-example-1

1 Answer

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Answer: 421.1

Explanation:

Area of parallelogram
= lenth*perpendicular
height
=12*22=264

Area of semicircle
=(1)/(2)\pi r^(2)=(1)/(2) \pi (20)/(2)x^(2) =(1)/(2)\pi *10x^(2) = (1)/(2)\pi *100 = 50\pi =157.079632679

We know that 20 is the diameter of the semicircle since it is a trapezium

Add together the area of the semicircle and parallelogram to get the total area:
264+157.079632679=421.079632679=421.1 (1dp)

User Ashok Kumar
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