Question

new challenge to get 50 points with solution please​

Answer 1

refer to the..... attachment

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Answer is (d)(147π-196) cm².

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.please go through the attachment to clear Ur concept over this.

Answer 2

Question :---- we have to Find shaded areas .

Formula used :-----

• Area of semicircle = πr²/2
• Area of Rt∆ = 1/2 × base × height
• ∆ in a semi-circle = 90°.

Solution :----

we can solve this problem in 2 minutes if we use shifting method and after finding , both shaded area , we put value of π = 22/7 in options and check which one will satisfy ..

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(Hope It Helps You)