Answer: The answer is C
Step-by-step explanation: 15 - 2 = 13 13+5=18
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The answer is m = -59/42
Step by step explanation is in the image below.
When
the perimeters of both figures will be equal.
Step-by-step explanation:
Step 1:
The triangle has side lengths of
and
.
The perimeter of the triangle is the sum of the lengths of the sides.
The perimeter of the triangle 
Step 2:
The perimeter of the hexagon is 6 times its side length. The side length 
The perimeter of the hexagon
Step 3:
To determine the value at which both the perimeters are equal, we equate both the equations to each other.

So when
the perimeters of both figures will be equal.