Angles

Front

What does the triangle sum theorem state?

Back

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

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

Can the triangle sum theorem be applied to any type of triangle?

Back

Yes, it applies to all triangles regardless of their type (scalene, isosceles, or equilateral).

Front

What is the relationship between angles ∠7 and ∠8 if they are not complementary or supplementary?

Back

They are neither related in terms of angle addition.

Front

What is an example of supplementary angles?

Back

∠1 and ∠2 where ∠1 + ∠2 = 180 degrees.

Front

What is an example of angles that are not supplementary?

Back

∠2 and ∠3 if ∠2 + ∠3 does not equal 180 degrees.

Front

How do you find a missing angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

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

Back

Each angle measures 60 degrees.

Front

What is the definition of an acute angle?

Back

An angle that measures less than 90 degrees.