What is an angle of 90 degrees called?

What is the difference between a right angle and a straight angle?

What is the angle (in degrees) between the hour and minute hands of a clock at 5:10 pm?

What's the difference here between arc AD and angle AED?

What is the measure, in degrees, of the acute angle formed by the minute hand and the hour hand on a standard clock when it indicates 9:40?

Describe an acute angle.

What is the measure of arc AB? a. 18 degrees b. 45 degrees c. 90 degrees d. 135 degrees e. 180 degrees

What do you call two angles whose sides are opposite rays?

Which part of the angle is the vertex?

What is the difference between a right angle and a straight angle?

A triangle with one 90-degree angle is called what?

Which is not a proper name for the angle? 1. angle cba 2. angle abc 3. angle a 4. angle b

It?s 3 pm. How many degrees are in the angle between the hour and minute hand? ?

What is an angle of 90 degrees called?