Angle Pairs

Front

What are adjacent angles?

Back

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

Tags

CCSS.7.G.B.5

Front

Define complementary angles.

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

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

Tags

CCSS.7.G.B.5

Front

If angle A and angle B are complementary, and angle A measures 30 degrees, what is the measure of angle B?

Back

Angle B measures 60 degrees.

Tags

CCSS.7.G.B.5

Front

If angle C and angle D are supplementary, and angle C measures 120 degrees, what is the measure of angle D?

Back

Angle D measures 60 degrees.

Tags

CCSS.7.G.B.5

Front

Solve for x: If angle 1 = 2x + 10 and angle 2 = 3x - 20 are supplementary, what is x?

Back

x = 10.

Tags

CCSS.7.G.B.5

Front

What is the relationship between adjacent angles in a linear pair?

Back

Adjacent angles in a linear pair are supplementary, meaning they add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

If angle E and angle F are vertical angles, and angle E measures 45 degrees, what is the measure of angle F?

Back

Angle F also measures 45 degrees.

Tags

CCSS.7.G.B.5

Front

Solve for x: If angle 1 = 3x + 15 and angle 2 = 2x + 45 are complementary, what is x?

Back

x = 10.

Tags

CCSS.7.G.B.5