In an isosceles triangle, two sides are four times the length of the third side. Find the length of the SHORTEST side if the perimeter is 54 feet.
A)9 feet
B)8 feet
C)6 feet
D)5 feet

Question

Quizplus · Accepted Answer

Let x be the length of the shortest side. Then the other two sides are 4x. Since the triangle is isosceles, we have:

x + 4x + 4x = 54

9x = 54

x = 6

Therefore, the length of the shortest side is 6 feet.

In an Isosceles Triangle, Two Sides Are Four Times the Length