The perimeter of triangle ABC is 16 cm, side AB is 3 cm less than side AC. Find the length of side BC if AC = 7 cm.

univerkov | November 26, 2020 | education

First, find the length AB
7-3 = 4 (centimeters) – length AB
now find the length of BC
16-4-7 = 5 (centimeters) – aircraft length
Answer: BC side length = 5 cm

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