Question

A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle?
3 feet, 4 feet, and 5 feet
1.5 feet, 1.25 foot, and 1.25 foot
2 feet, 0.5 feet, and 1.8 feet
4 feet, 4 feet, and 3 feet

Answer 1

3 feet 4 feet 5 feet is the answer. 3(3 + 4 + 5)=36