Question

Find the value of a.
I will give 20points

Answer 1

hope this help you alot

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Answer 2

Hey there,

The line shown above is a straight line.

And a ray stands on the line.

According to linear pair axiom.

The sum of both these angles are 180° or supplementary.

Therefore,

120°+ A=180°

A=180° -120°

•°• A=60°.

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