Question

two equal sides of an isosceles triangle are 3x-1 units and 2x-2 units, the third side is 2x units. Find x and the perimeter of the triangle.

Answer 1

hey mate!!

as sides of isosceles triangle ate equal
so, 3x-1=2x-2
3x-2x=-2+1
x=-1

3x-1=3(-1)-1=-3-1=-4
2x-2=2(-1)-2=-2-2=-4
2x=2(-1)=-2

perimeter=sum of all sides
perimeter =-4+(-4)+(-2)=-8-2=-6

hope it helped!

Answer 2

Answer:

x = 3 ; the perimeter of triangle = 22

Step-by-step explanation:

since (3x-1) and (2x+2) are equal sides, then

3x-1=2x+2,

3x-2x=2+1,

x=3,

therefore

all the three sides will be

1st side=3×3-1=8 unit,

2nd side=2×3+2=8 unit,

3rd side=2×3=6 unit,

hence

perimeter of the triangle=8 unit + 8 unit + 6 unit=22 unit

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