Question

Mike is rotating his hand. He finishes two complete rotations. What is the angle made by his hand at the point of intersection?

• A. $0^{\circ }$
• B. ${180}^{\circ }$
• C. ${360}^{\circ }$
• D. ${720}^{\circ }$

Answer 1

The correct option is D ${720}^{\circ }$

The 720${}^{\circ }$ angle is nothing but two full circles as it forms two complete circles around a point. It is exactly the double of one full angle (360${}^{\circ }$).

If you are rotating your hand and come back to the starting point, it means that you have rotated it by one complete circle. That means, you made an angle of 360${}^{\circ }$. If you rotate it again, it will be 360${}^{\circ }$ + 360${}^{\circ }$, which is equal to a 720${}^{\circ }$ angle.