GEOMETRY Use the triangle shown. Perimeter 42 feet



a. Write a formula for the perimeter P of the triangle.

p=

b. solve the formula for b

b=



c. use the new formula to find b when a is 10 feet and c is 17 feet


b= ft ​

GEOMETRY Use the triangle shown Perimeter 42 feet a Write a formula for the perimeter P of the triangle pb solve the formula for b bc use the new formula to fin class=