Answer: 4a
Step-by-step explanation: perimeter is the length of all sides added together. Every length is given combine like variables and you will get 4a+2b-2b. 2b-2b is 0 which leaves you with 4a
Answer:
4a
Explanation:
the top and right are a-b, but you have to add the b’s back in, so really all sides are a
a+a+a+a=4a
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