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

Share

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.