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14-01-2020
Mathematics

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DO NOT KNOW HOW TO SOLVE HELP ASAP

DO NOT KNOW HOW TO SOLVE HELP ASAP class=

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mesasala mesasala

16-01-2020

Answer: 63

Step-by-step explanation: because it is asking for the perimeter you must add 21 + 21 + 21 because an equilateral triangle means its sides are all equal and triangles have 3 sides.

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