Angles and Lines

What kind of angle is formed by perpendicular lines?

• acute

• obtuse

• right

• straight

Which is TRUE about intersecting lines?

• They are never parallel

• They are always parallel

• They are never perpendicular

• They are always perpendicular

Which BEST describes this angle?

• acute

• obtuse

• right

• straight

Which figure has a right angle?

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What type of angle measures more than 0 degrees but less than 90 degrees?

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

What type of angle measures exactly 90 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

What type of angle is less than 90 degrees?

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

What type of angle is exactly 180 degrees?

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

How many degrees are in the angle formed by the hands of a clock at 3:00?

What type of lines intersect to form a right angle?

• Parallel lines

• Perpendicular lines

• Intersecting lines

• Skew lines