Rectangular trapezoid

Calculate the content of a rectangular trapezoid with a right angle at the point A and if |AC| = 4 cm, |BC| = 3 cm and the diagonal AC is perpendicular to the side BC.

Correct result:

S =  9.84 cm2


AB=32+42=5 S1=S2 34/2=5h/2 h=34/5=2.4 cm=AD=CX BX2=32h2 BX=92.42=1.8 cm CD=ABBX=51.8=3.2 cm  S=CDh+hBX/2=9.84 cm2

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