Angle Sum of Triangles

Front

What is the Angle Sum Property of a Triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

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

Back

It is a right triangle.

Front

What is the measure of the missing angle if two angles of a triangle are 50 degrees and 60 degrees?

Back

The missing angle is 70 degrees.

Front

Can a triangle have angles measuring 30°, 60°, and 90°?

Back

Yes, these angles can form a triangle.

Front

What is the measure of the missing angle if one angle is 82 degrees and the other is 55 degrees?

Back

The missing angle is 43 degrees.

Front

If a triangle has angles measuring 40° and 100°, what is the measure of the third angle?

Back

The third angle measures 40 degrees.

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all three sides and all three angles are different.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.