If ∆ABC ~ ∆PQR, perimeter of ∆ABC = 32 cm, perimeter of ∆PQR = 48 cm and PR = 6 cm, then find the length of AC
Deepak BoraNewbie
Triangles : If ∆ABC ~ ∆PQR, perimeter of ∆ABC = 32 cm, perimeter of ∆PQR = 48 cm and PR = 6 cm, then find the length of AC
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Because triangle ABC ∼ triangle PQR
∴ the perimeter of the triangle ABC : the perimeter of triangle PQR = AC : PR
32: 48= x : 6
32×6/48 = x
∴ x = 4 cm.