Angle Relationships

What is the value of x if angle A and angle B are complementary and angle A is 30 degrees?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What are supplementary angles?

• Two angles that add up to 90 degrees.

• Two angles that add up to 180 degrees.

• Two angles that are equal in measure.

• Two angles that are adjacent to each other.

What is the sum of the interior angles of a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

What is the sum of the interior angles of a quadrilateral?

• 180 degrees

• 360 degrees

• 540 degrees

• 720 degrees

What are complementary angles?

• Two angles that add up to 90 degrees.

• Two angles that add up to 180 degrees.

• Two angles that are equal in measure.

• Two angles that are adjacent to each other.

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 120 degrees

• 180 degrees

If angle I is 70 degrees, what is the measure of angle J if they are complementary?

• 20 degrees

• 30 degrees

• 40 degrees

• 50 degrees

What is the value of x if angle C and angle D are supplementary and angle C is 110 degrees?

• 70 degrees

• 80 degrees

• 90 degrees

• 60 degrees

If angle E is 45 degrees, what is the measure of its complement?

• 45 degrees.

• 90 degrees.

• 135 degrees.

• 180 degrees.

What is the definition of adjacent angles?

• Two angles that share a common side and vertex but do not overlap.

• Two angles that are opposite each other when two lines intersect.

• Two angles that add up to 90 degrees.

• Two angles that are formed by two parallel lines and a transversal.