In an isosceles triangle ABC. The measure of side AB and base BC are in the ratio 13: 11: . If perimeter of triangle ABC is 259 cm. Find the measure of all sides
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let the sides be 13x and 11x.
A/Q 13x + 13x + 11x = 259
=》 37x = 259
=》 x = 259/37 = 7
=》 x = 7 cm
Sides = 13×7 = 91 cm
= 13×7= 91cm
= 11×7 = 77 cm
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