Triangle Sum Theory

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

In a triangle, how many total degrees are there?

Back

180 degrees

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle

Front

What type of triangle has one angle equal to 90 degrees?

Back

Right triangle

Front

What do you call a triangle with all sides of different lengths?

Back

Scalene triangle

Front

What do you call a triangle with at least two sides of equal length?

Back

Isosceles triangle

Front

What do you call a triangle with all sides of equal length?

Back

Equilateral triangle

Front

If one angle of a triangle is 60°, what is the sum of the other two angles?

Back

120°

Front

If a triangle has angles measuring 70° and 50°, what is the measure of the third angle?

Back

60°