Answer:
28 in
Step-by-step explanation:
Given is an isosceles triangle.
In an isosceles triangle, measure of the sides opposite to the equal angles are equal.
Therefore,
3x + 2 = x + 6
3x - x = 6 - 2
2x = 4
x = 4/2
x = 2 in
x + 6 = 2 + 6 = 8
Perimeter of the triangle
= 8 + 8 + 12
= 28 in
