Question

the perimeter of isosceles triangle is 40 cm. if three times the base equals to four times the congruent sides , find the length if each side ​

Answer 1

Answer:length of conguent sides = 12cm ,length of base =16cm

Step-by-step explanation:let the length of conguent sides be x and length of base be y.

2x+y =40    .....................(1)

3y=4x    .................(2)

Solving 1 and 2, we get y=16 cm and x=12cm