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38 votes
38 votes
Please help me find ABCD!!

Please help me find ABCD!!-example-1
User Nak
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1 Answer

28 votes
28 votes
Using the formula to find the area of a trapezium:
A= 1/2(a+b)h

So in this instance, a and b are 10 and 15 cm, and the height is 9 so just substitute it like this:
A= 1/2(9+10)9
A= 85.5
User Anqit
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