Answers

2014-02-06T22:39:51+08:00
Base 1 + base 2 multiply by the height and then divide it into two
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That is a trapezoid's area, right? Besides, you won't have to divide it into two.
2014-02-08T15:19:20+08:00
To solve one, the formula is just like a rectangle: L*W.
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