**CHECK IN**

A protractor is used to measure angles.

This angle is measured on the inner scale as the baseline arm point to 0° on the inner scale. The other arm crosses 50° showing that ∠ AOB = 50°.

Angles are named according to their measures.

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10th Class CBSE Mathematics 2018-19 Time: 3 hours M.M.: 80 Class: 10th Subject: Mathematics Date: 07/03/2019 …