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PLEASE HELP ASAPPP FOR 25 POINTS

The ratio of the length of the sides of a triangle is 1:2:3. If the perimeter of the triangle is 120 feet, then which of the following are the lengths of the sides?

10 ft, 40 ft, 70 ft

20 ft, 30 ft, 70 ft

20 ft, 40 ft, 60 ft

30 ft, 40 ft, 50 ft

2 Answers

1 vote

Answer: 20 ft, 40 ft, 60 ft

User Pvlt
by
3.7k points
12 votes

Answer:

C: 20ft, 40ft, 60ft

Explanation:

As they all equal 120, but 20 = 1, 40 is doubled 20 as 2 is doubled 1. and 60 is tripled 20 as 3 is tripled 1.

Hope this helps!

User Serhii Stakhiv
by
4.2k points