Question

The length of the base of an isosceles triangle is less by 3 cm than
twice the length of its congruent sides. The perimeter of the
triangle is 17 cm.Find the lengths of all sides of the triangle.​

Answer 1

Answer:

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Step-by-step explanation:

Answer:

Hint

Let length of equal sides be 'x' cm each.

Base = x + 3 cm

Perimeter = 54 cm

x + x + x + 3 = 54

3x + 3 = 54

3x = 51

x = 51/3

x = 17 cm

So the sides are 17 cm, 17 cm and 20 cm, respectively.