Acute, Obtuse, Right Angle

Which angle is acute?

• L

• M

• N

• K

Which angle has exactly 90 degrees?

• acute angle

• right angle

• obtuse angle

• reflex angle

Right, acute, or obtuse?

• Right

• Acute

• Obtuse

Gavin drew an angle with less than 90 degrees? Which angle did he draw?

• acute angle

• right angle

• obtuse angle

• reflex angle

Sofia drew this triangle. Classify it TWO ways.

• right

• isosceles

• acute

• scalene

An angle that measures less than 90 degrees is a...

• obtuse

• acute

• right

A protractor would be most appropriate to measure...

• side lengths

• angle degrees

• mass

• temperature

What kind of angle might measure 160 degrees?

• obtuse

• right

• acute

A right angle is split into 2 parts. One part measures 60°, what is the other?

• 45 degrees

• 60 degrees

• 30 degrees

• 120 degrees

Find the missing angle measurement.

• 65 degrees

• 115 degrees

• 90 degrees

• 25 degrees