Math, asked by vji04311, 1 month ago

In the above figure, AB∥CD, ∠BDC=40° and ∠BAD=75°. Find z.​

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Answered by NavyaRanjan
0

∵AB∥CD and BD is transversal.

∴x=40°(Alternate angles)

Now in △ABD

75°+y+x=180°(Sum of interior angles of a triangle)

⇒y=180°−75°−40°=180°−115°=65°

Now in △BCD

40°+(y−30°)+z=180°(Sum of interior angles of a triangle)

∴z=180°−40°−35°=180°−75°=105°

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