ache se explain krke answer karo na... plz... I want all 3 answers
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Answer:
8..........
9. Answer is 11
10. Answer is 77
Step-by-step explanation:
9. It's simple just take the formula for perimeter of a circle. Which is 2πr and divide it by 1/2
therefore u will get πr
πr=22/7x 3.5=11.
Simple
10.Just take the formula for area of a circle which is
πr^2 and divide it by half (bcoz it is a semicircle)
therefore u will get
1/2x22/7x7x7
=11x7
=77
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Step-by-step explanation:
Last one :
Length of wiper=7cm
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