Let triangle ABC similar triangleDEF and their areas be respectively 64cmsqure and 121cm squre. if EF=15.4cm; find BC
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Hello here is your answer by Sujeet yaduvanshi ☝☝☝☝☝☝☝☝☝
ar(ABC)/ar(DEF)=(BC/EF)²
64/121=(BC/15.4)²
√64/121=BC/15.4
8/11=BC/15.4
11BC=15.4*8
So,
Bc=15.4*8/11
BC=123.2/11
BC=11.2
that's
@$Ujeet
ar(ABC)/ar(DEF)=(BC/EF)²
64/121=(BC/15.4)²
√64/121=BC/15.4
8/11=BC/15.4
11BC=15.4*8
So,
Bc=15.4*8/11
BC=123.2/11
BC=11.2
that's
@$Ujeet
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