Find The area of a semi circle When its diameter is 7m
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The formula for area of a semicircle is:
A=12πr2, where A=area, π=227, and r=radius.
With the given data, we write:
A=12×227×(7 cm)2
A=12×22117×7×7 cm2
A=77 cm2
Kakuljain:
Wrong
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6
hey buddy..!!
d=7m. so r=3.5
now area of semicircle =[Πr²÷2]={[(22÷7)(3.5²)]÷2}=77m²Ans..
hope i helped you.....!!
d=7m. so r=3.5
now area of semicircle =[Πr²÷2]={[(22÷7)(3.5²)]÷2}=77m²Ans..
hope i helped you.....!!
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