Angle Measurements and Percentages

Front

What is an angle?

Back

An angle is formed by two rays (sides) that share a common endpoint (vertex).

Front

What is the unit of measurement for angles?

Back

Degrees (°) are the unit used to measure angles.

Front

What is a full rotation in degrees?

Back

A full rotation is 360 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is a reflex angle?

Back

A reflex angle is an angle that measures more than 180 degrees but less than 360 degrees.

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number means calculating a part of that number based on a fraction of 100.

Front

How do you calculate 50% of a number?

Back

To calculate 50% of a number, divide the number by 2.

Front

What is 25% of 200?

Back

25% of 200 is 50.

Front

What is 10% of 150?

Back

10% of 150 is 15.