Question

An angle of ${15}^{\circ }$ is drawn using a pair of compass and ruler by

• A. bisecting ${60}^{\circ }$
• B. bisecting ${60}^{\circ }$ and ${120}^{\circ }$
• C. bisecting ${60}^{\circ }$ and then bisecting it again
• D. bisecting ${60}^{\circ }$ and ${180}^{\circ }$

Answer 1

The correct option is C bisecting ${60}^{\circ }$ and then bisecting it again

An angle of ${15}^o$ is drawn using a pair of compass and ruler by
1. First bisecting ${60}^o$ to get ${30}^o$
2. Then bisecting ${30}^o$ to get ${15}^o$
Hence, by bisecting ${60}^o$ and then bisecting it again, we get ${15}^o$