136 by 192 because you times the original answers by 40
Answer:
Step-by-step explanation:
3 x 4 = 12
this is the answer
If you want a shorter way to find the perimeter then just multiply how many sides and the length of the side.
4 x4 = 16
However this only works if the 2D shape is an equilateral. So this trick only works in certain situations.
Answer:
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