Question

the perimeter of an isosceles triangle is 131/20 cm if one of its equal sides is 7/5 cm find the third side​

Answer 1

Step-by-step explanation:

perimeter=sum of all sides = 131/20

given isosceles triangle,

equal side length=7/5cm

therefore perimeter= 7/5 +7/5+X

X=131/20-14/5

131-56/20 =

75/20

= 15/4

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