SAT mathematics : how to locate the angle of clock fingers

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Example Question #1 : How To Locate The Angle Of Clock Hands

It really is 4 o’clock. What is the way of measuring the angle created between your hour hand therefore the hand that is minute?

At four o’clock the minute hand is in the 12 additionally the hour hand is in the 4. The angle created is 4/12 associated with the final amount of levels in a group, 360.

4/12 * 360 = 120 levels

Example Question # 1 : Sectors

If a clock reads 8:15 PM, just what angle perform some tactile hands make?

A clock is a group, and a group constantly contains 360 levels. Since you will find 60 moments on a clock, for each minute mark is 6 levels.

The minute hand on the clock will aim at fifteen minutes, enabling us to determine it is place in the group.

Since you can find 12 hours regarding the clock, each hour mark is 30 levels.

We are able to calculate in which the hour hand should be at 8:00.

Nonetheless, the hour hand will in truth be between your 8 in addition to 9, since our company is evaluating 8:15 in the place of an absolute hour mark. Continue reading