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arsen [322]
3 years ago
8

The trapezium is down on a centimetre grid find the area of the trapezium​

Mathematics
1 answer:
docker41 [41]3 years ago
6 0

Answer:

21 square cm

Step-by-step explanation:

b_1 = 9 \:cm, \: b_2 = 5 \:cm, \: h = 3\: cm\\Area\:  of\: trapezium\\ = \frac{1}{2} (b_1 +b_2)\times h\\\\ = \frac{1}{2} (9 +5)\times 3\\\\ = \frac{1}{2} \times 14 \times 3\\\\ = 7 \times 3\\\\= 21 \: cm^2

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