Two equal sides of an isosceles triangle are 3x 1

Asked by admin @ 04/08/2021 in Math viewed by 322 People

two equal sides of an isosceles triangle are 3x-1 and 2x+2units.the third side is 2x units.findx and tha primeter of the triangle.

Answered by admin @ 04/08/2021

Equate the expressions for the two equal sides.
3 x - 1 = 2 x +2
3 x - 2 x = 2 + 1

x = 3

the sides are 3 x -1 , 2x +2 , 2x
so 3*3 -1 , 2*3 + 2 , and 2*3

that is 8, 8, and 6 units

perimeter is the sum of all sides : 8+8+6 = 22 units

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