Question

if Area of triangle ABC =9cm^2, area of triangleDEF=64^2 , DE=5.6 the find AB.........triangle ABC similar to triangle DEF.....(given)​

Answer 1

Step-by-step explanation:

area of ABC = 9cm^2

area of DEF = 64cm^2

length of DE = 5.6cm

since, ∆ABC ~ ∆DEF

So, ratio of areas of ∆ABC&∆DEF = ratio of length of similar sides

=> ∆ABC/∆DEF = AB/DE = BC/EF = CA/FD

=> 9/64 = AB/5.6

=> AB = 9×5.6 / 64

=> AB = 50.4 /64 = 0.78cm

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Answer 2

Step-by-step explanation:

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