Question

in a triangle each side=x-2 and perimeter=15

Answer 1

Perimeter of the triangle=a+b+c

But a=b=c=x-2

Therefore,

P=x-2+x-2+x-2

=> P=3x-6

But P=15

therefore,

3x-6=15

3x=9

x=3

so, the sides are

x-2=3-2= 1 unit