SOLUTION: A triangle has a perimeter of 84cm. Each of the two longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle
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Question 757738: A triangle has a perimeter of 84cm. Each of the two longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle Answer by tasmart(9) (Show Source):
You can put this solution on YOUR website! P=a+b+c
Lets x to be small side of triangle. then two long ones is x times 3
84=3x+3x+x
84=7x
x=84/7
x=12 short side.
then
12 times 3 = 36 is long side . The same as second long.
36+36=72
84-72=12
p=a+b+c
84=36+36+12
