Question 1
An equilateral triangle has perimeter 8 feet 6 inches. How long is one side?
- 2 feet 10 inches
- 3 feet 2 inches
- 3 feet 4 inches
- 2 feet 2 inches
- 2 feet 6 inches
Explanation: One foot is equal to 12 inches, so the perimeter 8 feet 6 inches is equal to
inches.
An equilateral triangle has three sides of equal measure, so divide its perimeter by 3:
To convert 34 inches to feet and inches:
One side measures 2 feet 10 inches.