Question

The perimeter of a triangle is 25 feet. What is the length of the unknown side?

Answer 1

Perimeter of triangle=sum of all sides x= unknown sides

Explanation:

25ft= x+ 5.2ft + 8ft

25ft= x + 13.2ft

subtract 13.2 from both sides

11.8 feet = x

unknown side is 11.8 feet