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Find the area of a rhombus whose perimet...

Find the area of a rhombus whose perimeter is `80 m` and one of whose diagonal is `24 mdot`

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Perimeter of rhombus`=4a`
`=>80=4a`
`=>80/4=a`
`=>20=a`
Area of rhombus`=(d1 xx d2)/2`
`=28/2`
`=14`
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