3 years ago

HELP i don’t know how to do this

Mathematics

2 answers:

Natalija [7]3 years ago

8 0

Answer:

Step-by-step 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

REY [17]3 years ago

5 0

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

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