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notsponge [240]
3 years ago
6

How to find the perimeter of a triangle? An image is attached.

Mathematics
1 answer:
prisoha [69]3 years ago
8 0

Answer:

18m³+2m²-m

Step-by-step explanation:

(5m³+3m²-2m)+(8m³-4m²+3m)=13m³-m²+m+(5m³+3m²-2m)=18m³+2m²-m

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