Exploring Angle Relationships: Complementary, Supplementary, and More

What is the maximum degree measure for an acute angle?

• Less than 90 degrees

• Exactly 90 degrees

• More than 90 degrees

• Exactly 180 degrees

What type of angle measures exactly 90 degrees?

• Obtuse angle

• Acute angle

• Straight angle

• Right angle

If two angles sum up to 90 degrees, what are they called?

• Complementary angles

• Adjacent angles

• Supplementary angles

• Vertical angles

Which pair of angles is an example of complementary angles?

• 50 degrees and 40 degrees

• 110 degrees and 70 degrees

• 100 degrees and 80 degrees

• 70 degrees and 20 degrees

Which of the following pairs of angles can be considered supplementary?

• 30 degrees and 150 degrees

• 45 degrees and 45 degrees

• 60 degrees and 30 degrees

• 90 degrees and 90 degrees

What is the sum of degrees for supplementary angles?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

What is a necessary condition for two angles to be adjacent?

• They must sum up to 180 degrees

• They must sum up to 90 degrees

• They must share a common side and vertex

• They must not share any common side

Which statement is true for adjacent angles?

• They must be vertical angles

• They must be complementary

• They share a common vertex and side

• They do not touch each other

What is true about vertical angles?

• They must be adjacent

• They must be supplementary

• They are always equal

• They sum up to 180 degrees

Vertical angles are formed by the intersection of how many lines?

• Four lines

• Three lines

• Two lines

• One line