127k views
2 votes
The perimeter of the triangle shown to the right is 321 meters. Fin the length of each side.

first side: x meters
second side: 3x meters
third side: (4x-3) meters

User Steve Wang
by
5.2k points

1 Answer

4 votes

Answer: First side is 40.5 meters. Second side is 121.5 meters. The third side is 159.

Explanation:

x + 3x + 4x -3 = 321

8x - 3 =321

+3 +3

8x = 324

x = 40.5

Second Side: 3(40.5) = 121.5

Third side: 4(40.5) - 3 = 159

Check: 159 + 121.5 + 40.5 = 321

User Prabeen Giri
by
6.2k points