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