Question

In the fig AB parallel DC, angle BDC = 30 and angle BAD = 80. find x y z if bc= dc

Answer 1

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x=3o degree...... (alternate interior angle)

angle y=135degree.....(co interior angle)

angle z=75degree.......(angle sum property).

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Answer 2

X is 30 alternate angles

30 +80+y is 180

y = 180 -110=70

30 +y-30+z=180

30+70-30+z=180

z=180-70=110

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