Question

perimeter of two similar triangle abc and pqr respectively 60cm and 36 cm if pq = 9cm then find ab​

Answer 1

Hii friend,

Since the ratio of the corresponding sides of similar triangle is in the same ratio of their Perimeters.

Therefore,

∆ABC similar to ∆PQR => AB/PQ = BC/QR = AC/PR = Perimeter of ∆ABC/Perimeter of ∆PQR = 60/36 = 5/3

=> AB/PQ = 5/3

=> AB/9 = 5/3

=> AB = 9×5/3 = 3×5 = 15 cm

Hence,

Length of AB = 15 cm

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