दाखिल करना

Mathematics for IGCSE & O level - Geometrical Constructions (Section 1 - No. 15)

Which step is essential before measuring an angle with a protractor?

Align the vertex with the center point

Choose the correct scale

Estimate the angle.

All of the above

स्पष्टीकरण

Estimating, aligning, and choosing the correct scale are all essential steps.

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