Question

Qno.2........pls help?​

Answer 1

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Answer 2

Step-by-step explanation:

AngleAoC=angleBOD =90°---(1)

AngleCOE=angleFOE=50°--+--(2)

AngleEOB=angleAOF ---(3)

[Reason for (1),(2)and(3)- Vertically opposite angles]

COD is a straight line.

angleCOE+ angleEOB+angleBOD=180°

50°+90°+angleEOB=180°

angle EOB=180°-140°=40°

Therefore, x=u=40°, y=50°, z=90°.

Hope helps u.