The perimeter of an isosceles triangles is 40 cm if 3 times the base is equal to 4 times the congurent sides find the length of each side of the triangle
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Step-by-step explanation:
in an isoceles triangle, two sides are equal
hence let the sides are a,b,b
a+2b=40
3a=4b
3(40-2b)=4b
120-6b=4b
120=10b
b=12
3a=4×12
a=48/3
a=16
16,12,12 are the sides of a triangle
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