a rectangular sheet of meal measuring 50cm by 30 cm has a semi circle of redious 15cm cut from each short side. find the perimeter of the shape thats left.
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Icircumference of the semicircle=pie*r
circumference = 22/7*15
circumference = 47.14
therefore perimeter = 50+50+47.14+47.14
perimeter = 194.28
circumference = 22/7*15
circumference = 47.14
therefore perimeter = 50+50+47.14+47.14
perimeter = 194.28
raiannusmile:
why we add 50
for getting answer
we have to find left area nit total
not
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