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Nadusha1986 [10]
3 years ago
7

NEED HELP!!!!!!!!! ASAP!!!!!!!

Mathematics
1 answer:
makvit [3.9K]3 years ago
8 0

Answer:

¹31.5

Step-by-step explanation:

Area of trapezium= 1/2 ×h×(b1+b2)

A=1/2×3×(12+21)

A=31.5

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