3 years ago

How do I solve this?

Mathematics

1 answer:

Delvig [45]3 years ago

4 0

Answer:

10a + 2b

Step-by-step explanation:

Add the lengths of all sides:

3a + b + b + 2a - b + 3a + b + b + 2a - b

Now combine like terms:

10a + 2b

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