Question

The perimeters of the square and the triangle are the same.
The perimeter of the triangle is ___________ units.

Answer 1

Answer:

2x+12=( x-5)4

as perimeter of both are same!!!

2x+12= 4x-20

2x= -8

x=-4

then perimeter of triangle

12-4-4

12-8

=4

hope it helps you..

Answer 2

Answer:

44

Step-by-step explanation:

perimeter of square = 4 × side

= 4 ×( x- 5)

= 4x - 20

perimeter of triangle = sum of all slides

= x + x + 12

= 2x + 12

perimeter of square = perimeter of Triangle

4x - 20 = 2x + 12

4x - 2x = 12 + 20

2x = 32

x =32/2

x = 16

perimeter of Triangle = x +x +12

= 16 + 16 + 12

= 44

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