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igor_vitrenko [27]
3 years ago
15

Please make an explanation, I haven’t learned much on this before

Mathematics
1 answer:
Montano1993 [528]3 years ago
3 0

Answer:

Triangle: 4

Trapezoid: 3.8

Step-by-step explanation:

All you need to find is what of the three or four adds to the perimeter

3+5 is 8

So 12-8 is 4

So the ? is 4

8.3 plus 3.8 plus 8.3 is 20.4

24.2-20.4 is 3.8

Hope this helps!

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