Angles and Right Angles
Name: _______________________________
Date: _______________________________
Part 1: Identify the Angles
Label each angle as: Right Angle, Acute Angle, or Obtuse Angle
a) _______________
b) _______________
c) _______________
Part 2: Count the Angles
Look at each shape and count how many of each type of angle it has.
Rectangle:
Right angles: ____ Acute angles: ____ Obtuse angles: ____
Triangle:
Right angles: ____ Acute angles: ____ Obtuse angles: ____
Part 3: Draw the Angles
Draw an example of each type of angle in the boxes below. Mark the angle with a small arc.
Right Angle
Acute Angle
Obtuse Angle
Part 4: True or False
Circle the correct answer.
1. A right angle measures exactly 90 degrees.
TRUE / FALSE
2. An acute angle is larger than a right angle.
TRUE / FALSE
3. An obtuse angle is between 90 and 180 degrees.
TRUE / FALSE
4. A square has four right angles.
TRUE / FALSE
Part 5: Real World Angles
Name one object in your classroom or home that contains:
A right angle: _________________________________________________________
An acute angle: ________________________________________________________
An obtuse angle: _______________________________________________________