The BC side is 6 cm smaller than the AB side and 2 times smaller than the AC side. Calculate all sides of the triangle if P = 36cm.

univerkov | November 27, 2020 | education

Let X be a side of BC, then AB = x + 6, AC = 2x
P = AB + BC + AC
x + 6 + x + 2x = 36
4x = 30
x = 7.5
BC = 7.5 cm
AB = 7.5 + 6 = 13.5cm
AC = 2 * 7.5 = 15cm
Answer: BC = 7.5 cm, AB = 13.5 cm, AC = 15 cm.

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