Calculate the unknown angle 'x' — task. Mathematics State Board, Class 9.

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1. Find the value of \(x\).

Answer:

∡ x

\(=\)°.

2. Find the value of

∡ x

,if the value of

∡ y

is 85\(°\).

(Note:

∡ x

and

∡ y

are alternate interior angles)

Answer:

∡ x

\(=\)°.

Did you find an error?

4. Calculate the unknown angle 'x'