Question

how many degrees does a minute hand of a clock Turn through in 20 minutes.​

Answer 1

Answer:

The minute hand moves the 60s per minute and a full rotation is 360° so: 360/60 = 6° per minute. So in 20 minutes, the minute hand will be 6 * 20 = 120° and the hour hand will be 120/12 = 10°.

Step-by-step explanation:

Answer 2

Given: The minute hand of a clock turns through in 20 minutes.​

To find: The number of degrees the minute hand of a clock turns through in 20 minutes.​

Solution:

A clock is usually a circle (360°) and has 12 parts. Hence,

$\frac{360}{12} = 30$

So, the clock is divided into 12 parts in such a way that each part is an arc that subtends an angle of 30°. Each part on the clock represents 5 minutes. Thus, the number of degrees the minute hand has to turn is calculated as follows.

$\frac{20}{5} * 30 = 120$

Therefore, the number of degrees the minute hand of a clock turns through in 20 minutes is 120°.