Math, asked by viv1920, 1 year ago

pls find answer Of. 30 th one ​

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Answered by brainyboy0407112026
1

since Δabc|||Δdef

there fore,

ar(ΔABC) /area(Δdef)=am^2/dn^2

121/64=146.41/dn^2

dn^2=77.44

dn=8.8


viv1920: thank you
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