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Softa [21]
3 years ago
12

Help me plzz help me plzz​

Mathematics
1 answer:
Alik [6]3 years ago
4 0

Answer:

44.1 mm^2

Step-by-step explanation:

The formula for a trapezoid is 1/2(b1 + b2)h

A= 1/2(12.5 + 8.5) 4.2

 = 1/2x21x4.2

 =44.1

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