Question

Which of the following angles can be constructed by using a ruler and a compass?

• A. ${30}^{\circ }$
• B. ${60}^{\circ }$
• C. ${90}^{\circ }$
• D. ${55}^{\circ }$
• E. ${70}^{\circ }$
• F. ${45}^{\circ }$
• G. ${120}^{\circ }$
• H. ${62}^{\circ }$

Answer 1

Answer: (A), (B), (C), (F), (G)

${120}^{\circ }$