Math, asked by Kirti147, 1 year ago

Find the circumference and area of semicircle whose diameter is 8.4

Answers

Answered by as114407ox585p
3
22/7*4.2+8.4=21.6 is the circumference and
22/7*4.2*4.2/2=27.72 is the area


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sejal2511: in which type this question
sejal2511: i don't understand
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Anonymous: when I call this is sc and pc clause
Answered by sejal2511
3
d=8.4
r=8.4\20=4.2
c=2πr
=2×22\7×4.2=44×0.6=26.4


as114407ox585p: wrong its semi cirle so,c=22/7*r+2r
sejal2511: ok
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