Abc ~ ∆ def and their areas are 64cm2 and 100cm2 respectively.if ef=12cm then find the measure of bc
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Answer:
BC=9.6 cm
Step-by-step explanation:
Ratio of areas of similar triangles =ratio of squares of corresponding sides
64/100=(bc)^2/12^2
8/10=bc/12
bc=8*12/10
bc=9.6 cm
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