12/6 Flashcard Angle Pairs

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Front

What are supplementary angles?

Back

Supplementary angles are two angles that add up to 180°.

Front

What are complementary angles?

Back

Complementary angles are two angles that add up to 90°.

Front

What is the equation for finding the value of x in the context of angles?

Back

x + 42 + 63 = 180

Front

Back

Front

What is the relationship between adjacent angles?

Back

Adjacent angles share a common side and a common vertex.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180°.

Front

If two angles are complementary, what is their sum?

Back

Their sum is 90°.

Front

If two angles are supplementary, what is their sum?

Back

Their sum is 180°.

Front

What is the definition of adjacent angles?

Back

Adjacent angles are two angles that have a common vertex and a common side but do not overlap.