Find the perimeter. Simplify your answer.
6+3
6+3
80-3

Step-by-step explanation:

Perimeter= 6u+3+6u+3+8u-3= 20u+3

(6u+3)+(6u+3)+(8u-3)

=6u+3+6u+3+8u-3

=20u+3

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation:

the answer is 62.8 cubic units