Question

in triangle ABC, DE||BC.find the value of xyz.draw diagram yourself.
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Answer 1

$\huge \mathtt{\fcolorbox{blue}{yellow}{Answer}}$

$\bf{\Rightarrow \: x \: = \: 30 \degree}$

$\bf{\Rightarrow \: y \: = \: 40 \degree}$

$\bf{\Rightarrow \: z \: = \: 110 \degree}$

Step-by-step explanation is in attachment $\blue\Uparrow$