Let A ABC ~ A DEF and their areas be resn
I areas be, respectively, 64 cm2 and 121 cm. If EF =
15.4 cm, find BC.
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Area of ∆ ABC = 64 cm²
Area of ∆ DEF = 121 cm²
We know that :-
∆ ABC ∆ DEF
We also know :-
BC = 11.2 cm
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