Draw a trapezoid

Draw a trapezoid if given a = 7 cm, b = 4 cm, c = 3.5 cm, diagonal AC = 5cm. Solve as a construction task.


x = (Correct answer is: ?) Wrong answer


1.AB,AB=a=7 cm 2.k1;k1(A,r1=AC=5 cm) 3.k2;k1(B,r2=BC=4 cm) 4.C;C=k1k2 5.p;pAB,Cp 6.D;Dp;CD=c=3.5 cm 7.ABCD  x=AD x=?

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