1.

The side of an equilateral triangle is 15cm. The equal side of isosceles triangle is 14cm. The perimeter of isosceles triangle and equilateral triangle is same. Find the ratio of sides of an isosceles triangle.1. 18 : 15 : 152. 17 : 15 : 153. 14 : 14 : 174. 14 : 14 : 195. 17 : 17 : 14

Answer» Correct Answer - Option 3 : 14 : 14 : 17

Given:

⇒ Perimeter of an equilateral triangle = 15 × 3 = 45cm

⇒ Perimeter of an isosceles triangle = 45cm

⇒ The unequal side of an isosceles triangle = 45 - 2 × 14 = 17cm

∴ Required ratio = 14 : 14 : 17



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