Semester Exams for 7th Period

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

Order the following numbers from least to greatest: 3, -8, -10, 6.

Back

-10, -8, 3, 6

Front

Round 39,204 to the hundreds place.

Back

39,200

Front

What is a right angle?

Back

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

Front

What is an acute angle?

Back

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

Front

What is the definition of a straight angle?

Back

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

Front

How do you identify an obtuse angle in a diagram?

Back

An obtuse angle appears wider than a right angle and is often labeled with a degree measurement greater than 90.

Front

What is the sum of angles in a triangle?

Back

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

Front

What is the difference between acute and obtuse angles?

Back

Acute angles are less than 90 degrees, while obtuse angles are greater than 90 degrees but less than 180 degrees.

Front

How do you round a number to the nearest hundred?

Back

Look at the tens digit; if it is 5 or more, round up. If it is less than 5, round down.