Properties of Triangles

Front

What is the sum of all angles inside a triangle?

Back

180º

Front

Classify a triangle with all sides of different lengths.

Back

Scalene

Front

If one angle of a triangle is 85º, what is the measure of the other two angles if they are equal?

Back

47.5º each

Front

What do you call a triangle with two equal sides?

Back

Isosceles

Front

What do you call a triangle with all sides equal?

Back

Equilateral

Front

What is the measure of each angle in an equilateral triangle?

Back

60º

Front

If a triangle has one angle measuring 90º, what type of triangle is it?

Back

Right triangle

Front

Find the missing angle if two angles of a triangle are 50º and 60º.

Back

70º

Front

What is the relationship between the angles of a triangle and its sides?

Back

The largest angle is opposite the longest side.

Front

If the angles of a triangle are in the ratio 2:3:4, what are the measures of the angles?

Back

40º, 60º, 80º