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ABCD is a square of 7 cm. With A and C a...

ABCD is a square of 7 cm. With A and C as the centres are BLD and DMB are drawn. Find the area of the shaded region.

Text Solution

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Area of 1 = area of 2
Area of shaded region(1)=`pir^290/360-1/2r^2sin90^o`
`=49/4pi-49/2`
Total region=`2(49/4pi-49/2)`
`=(49/2pi-49)cm^2`
Area of square=49`cm^2`
`2A_1+2A_2=49cm^2`
`a_1+a_2=49/2 cm^2`
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