The Sides of a triangle are in the ratio 3 : 4 : 5. The longest side is 12 cm more than the shortest side.
Find the length of the Shortest side.
18 cm
Let the sides be 3x, 4x and 5x.
Given that 5x = 3x + 12
⇒ 5x - 3x = 12
⇒ 2x = 12
⇒ x = 6
∴ Length of the Shortest side = 3x = 3×6 = 18 cm