How many degrees are in a three quarter rotation?

How many degrees are in a three quarter rotation?

A transformer has a primary voltage of 480 volts and a secondary voltage of 120 volts. If the primary windings have 700 turns, how many turns are in the secondary windings?

At what times are the hands of a clock perpendicular?

How many vertices does a heptagon have?

How many degrees are in a quarter turn?

What is the number of degrees through which the hour hand of a clock moves in 2 hours and 12 minutes?

How many times can you reflect a decagon?

Gears A and B rotate are indicated in the diagram below. What is the minimum number of complete revolutions gear A must make for the gears to align again as shown?

How many reflectional symmetries does a regular decagon have?

How many vertices does a heptagon have?

Suzie slices her apple pie in half, turns it 90 degrees and slices it in half again. How many slices doe she have now? Explain this problem using angles.