URGENT Find the perimeter of the given shape
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Step-by-step explanation:
Perimeter= sum of all sides
So here perimeter is (10b+3a)+(4b+10a+7)+(12b+4a+15) = 10b+3a+4b+10a+7+12b+4a+15b
Combine like terms
→10b+4b+12b+3a+10a+4a+7+15
→ 26b+17a+22
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