Let's say each side is 5 and 5 so all you have to do is times 5 bye 5 and divide the two numbers by 20 and when you get that then you add the numbers by 180 then your answer is 239cm
Answer:
84
Step-by-step explanation:
15+15+27+27
5x-11=44
5x=55
x=11
hope that helps
