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1 vote
I need help I don’t know how to do please help!!!

I need help I don’t know how to do please help!!!-example-1

1 Answer

5 votes

Answer:

3a2+8a+9

Explanation:

since it is an isosceles triangle two sides are equal and for perimeter just add all sides

3a+5+3a+5+3a2+2a-1

User Feulgen
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