Use an algebraic equation to solve the problem.

The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangle is 90 cm?

Question

Use an algebraic equation to solve the problem. 

The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangle is 90 cm?

anonymous · Answer

3+4+5= 12

90/12= 7.5

3x7.5= 22.5
4x7.5= 30
5x7.5= 37.5

anonymous · Answer

A. 10.5 cm, 11.5 cm, and 12.5 cm	

B. 22.5 cm, 30 cm, and 37.5 cm	

C. 7.5 cm, 11.5 cm, and 32.1 cm	

D. 19.3 cm, 25.7 cm, and 32.1 cm	

thank you but these are my answer choices . C is incorrect.

anonymous · Answer

oh i see it nvm thank you :D

anonymous · Answer

lol no probs

anonymous · Answer

dont forget to medal me dude :P