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Q.

From the figure, AB || CD, then $x + y + z =$

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a

$70 °$

b

$215 °$

c

$95 °$

d

$145 °$

answer is A.

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Detailed Solution

$x + z = 180 °$

$x + y = 90 °$

$y = 35 °$

$2 x + 70 = 180 °$

$2 x = 110 °$

$x = 55 °$

$z = 180 ° - 55 °$

$z = 125 °$

$\begin{array}{l} x + y + z = 125 + 55 + 35 \\ = 215 ° \end{array}$

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