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secondary 3 | E Maths
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Hi, could you kindly advise me the working solution for this E maths question? Thanks.
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In the formula 0.5 (a + b) (h), the expression 0.5 (a + b) just means the average of the two parallel lengths. If you do some cutting and rearranging of the trapezium, you will get a rectangle which has a length that is halfway between a and b, or the average of a and b.
Mr Eric, I have just posted another question which I can't solve, pls help and thanks again :)