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?

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

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?

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

lgbasallote · Answer

hint: 3x + 4x + 5x = 90

solve for x 

does that help?

lgbasallote · Answer

@alyssababy7 you there?