Posted by Please help!!! on .
Use the formula p  2L + 2W to find th perimimeter of the triangle
Length 8.6 m
Widith 2.5 m

MATH 
Alexa,
p= 2L + 2W
P= 2*8.6 + 2*2.5
P= 17.2 + 2*2.5
P= 17.2 + 5
P= 22.2 inches or centimeters or whatever units they are in.