Question

The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used to find the side lengths if the longest side measures 6.2cm?

Answer 1

x=6.2
y=0.5x
y=0.5*6.2
y=3.1
z=14.5-x-y
z=14.5-6.2-3.1
z=5.2
each variable is a side