from a rectangular sheet of sides 20cm by 15cm, a circular piece of radius 7cm has been cut off. the remaining area is
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2
Area of rectangular sheet =15*20
= 300cm3
Circuler piese is cut of 7 cm
20-7=13cm
New area of the sheet =13*15
=195
= 300cm3
Circuler piese is cut of 7 cm
20-7=13cm
New area of the sheet =13*15
=195
Answered by
4
The are of the rectangle is l×b=20×15cm2=300cm2...
area of the Circle is π7×7=22/7×7×7=154cm2..
So area of the remaining part= area of rectangular sheet - area of the Circle=(300-154)=146cm2
area of the Circle is π7×7=22/7×7×7=154cm2..
So area of the remaining part= area of rectangular sheet - area of the Circle=(300-154)=146cm2
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