Question

One complete circle is made up of 360 degrees. Through how many degrees would the minute arm of a clock rotate from 12h00 to 12h15?

Answer 1

The minute arm of a clock completes one full rotation (360 degrees) in 60 minutes. To find the number of degrees it rotates in 15 minutes, we can use the following calculation:

1. The degrees rotated per minute:
\[
\frac{360 \text{ degrees}}{60 \text{ minutes}} = 6 \text{ degrees per minute}
\]

2. For 15 minutes:
\[
15 \text{ minutes} \times 6 \text{ degrees per minute} = 90 \text{ degrees}
\]

Therefore, the minute arm of a clock rotates through **90 degrees** from 12:00 to 12:15.