Front

What is the sum of the angles in a triangle?

Back

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

Front

How do you find the measure of a missing angle in a triangle?

Back

To find the missing angle, subtract the sum of the known angles from 180 degrees.

Front

What does the inequality x < -4 mean on a number line?

Back

It means that x can be any number less than -4.

Front

What is the expression for '3 less than a number n'?

Back

The expression is n - 3.

Front

How many school days are there until the next break if today is counted?

Back

Count the number of school days from today until the next break.

Front

What is the formula to calculate the measure of an exterior angle of a triangle?

Back

The exterior angle is equal to the sum of the two opposite interior angles.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

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

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

How do you represent 'x is greater than or equal to 4' in inequality notation?

Back

It is represented as x ≥ 4.