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Leona [35]
3 years ago
8

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

Mathematics
1 answer:
jeka57 [31]3 years ago
4 0

Answer:

3a2+8a+9

Step-by-step 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

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