Question

the legs of a right triangle have lengths x+2 and x+6. the hypotenuse has length 2x. find the perimeter of the triangle.

Answer 1

The perimeter is adding all the sides together and the legs and hypotenuse of a right triangle make the sides.

x+2+x+6+2x (Combine like terms: x, x, 2x; 6+2
4x+8
The perimeter of the triangle is 4x+8