An isosceles triangle has two sides equal sides. if two are 5 inches and 2 inches how long is the perimeter?

the correct answer is 5 6 and 7

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,