Math · Age 8 · Geometry
Acute & Obtuse Angles (Ex. 2)
Classify angles as acute, right, or obtuse and apply in triangle contexts.
Module
Geometry
Age
Age 8
Duration
8 min
Questions
5
What's in this exercise
Answers are hidden — sign up to practise and check your work.
Question 1
Multiple choice
Which angle is obtuse?
Question 2
Multiple choice
Which angle is acute?
Question 3
Multiple choice
A triangle has one 90° angle. The other two angles must both be ___.
Question 4
Sequence
Angles increasing by 20°: 20°, 40°, 60°, 80°, ___°.
Question 5
True or false
An obtuse angle is smaller than a right angle.