how do you find the area of trapezoid?
3; s = sum(h*y) trapezoid rule(梯形求积分)——trapz() second
19*1:应该使用了梯形公式/trapezoidformula19*3:应该使用了大名鼎鼎
2;y=sin(midpoint);s=sum(h*y)12345trapezoid rule求梯形面积h=0.
the area of a circle rectangle square triangle and trapezoid
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