SOLUTION: An isosceles triangle has a perimeter of 370 millimeters. The base of the triangle is 40 millimeters. Longer than the two equal sides. What is the lenght of each side?
Thank u :
Algebra ->
Test
-> SOLUTION: An isosceles triangle has a perimeter of 370 millimeters. The base of the triangle is 40 millimeters. Longer than the two equal sides. What is the lenght of each side?
Thank u :
Log On
Question 455315: An isosceles triangle has a perimeter of 370 millimeters. The base of the triangle is 40 millimeters. Longer than the two equal sides. What is the lenght of each side?
Thank u : ) Answer by ilana(307) (Show Source):
You can put this solution on YOUR website! Since the triangle is isosceles, the sides are the same length, x. The base is then x + 40.
So x + x + x + 40 = 370
3x + 40 = 370
3x = 330
x = 110
The lengths of the sides are 110 mm, 110 mm, and 150 mm.