Angles in a triangle

Language: English
Subject: Math > Angles
Age: 11 - 12

Angles in a triangle

What is the sum of the angles in a triangle?

If one angle in a triangle measures 45 degrees, and another angle measures 60 degrees, what is the measure of the third angle?

What is an acute angle?

What is an obtuse angle?

Can a triangle have more than one obtuse angle? Why or why not?

If one angle in a triangle measures 90 degrees, what type of triangle is it?

What is a right angle?

If two angles in a triangle measure 30 degrees each, what is the measure of the third angle?

What is the difference between an interior angle and an exterior angle of a triangle?

If one angle in a triangle measures 120 degrees, and another angle measures 45 degrees, what is the measure of the third angle?