Understanding Angles Flashcard

Front

What is the measure of an obtuse angle?

Back

An obtuse angle measures between 90 and 180 degrees.

Front

What is the measure of an acute angle?

Back

An acute angle measures between 0 and 90 degrees.

Front

What is formed when two rays meet at a common point?

Back

An angle is formed when two rays meet at a common point.

Front

What is the measure of a complete angle?

Back

A complete angle measures 360 degrees.

Front

Which letter is a good example of a right angle?

Back

The letter 'L' is a good example of a right angle.

Front

What is a straight angle?

Back

A straight angle measures 180 degrees.

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Front

What is a reflex angle?

Back

A reflex angle measures between 180 and 360 degrees.

Front

What is the difference between complementary and supplementary angles?

Back

Complementary angles sum to 90 degrees, while supplementary angles sum to 180 degrees.

Front

What is a vertical angle?

Back

Vertical angles are the angles opposite each other when two lines intersect, and they are equal.