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Find the area of DeltaABC, if a=10, b=7s...

Find the area of `DeltaABC`, if a=10, `b=7sqrt(2)`m and `sqrt( c)=45^(@)`

Text Solution

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`Delta=1/2absinC`
`=1/2 xx 10 xx 7sqrt(2) xx sin45^(@)`
`=5 xx 7sqrt(2) xx 1/sqrt(2)`
=35 sq. metre. Ans.
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