Angles

How do you measure an angle?

• Using a ruler

• Using a compass

• Using a protractor

• Using a set square

What is an obtuse angle?

• An angle that measures less than 90 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures more than 90 degrees but less than 180 degrees.

• An angle that measures more than 180 degrees.

What is a vertical angle?

• Angles that are adjacent to each other when two lines cross.

• Angles that are opposite each other when two lines cross. They are always equal.

• Angles that are supplementary to each other when two lines cross.

• Angles that are formed by the intersection of two parallel lines.

What is an acute angle?

• An angle that measures exactly 90 degrees.

• An angle that measures more than 90 degrees but less than 180 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 180 degrees.

What is a full angle?

• An angle that measures 180 degrees.

• An angle that measures 90 degrees.

• An angle that measures 360 degrees.

• An angle that measures 270 degrees.

What is a quadrilateral?

• A polygon with three sides and three angles.

• A polygon with four sides and four angles.

• A polygon with five sides and five angles.

• A polygon with six sides and six angles.

What are parallel lines?

• Lines that intersect at a right angle.

• Lines that never meet and are always the same distance apart.

• Lines that converge at a point.

• Lines that are curved and do not follow a straight path.

What is a right angle?

• An angle that measures exactly 90 degrees.

• An angle that measures exactly 45 degrees.

• An angle that measures exactly 180 degrees.

• An angle that measures less than 90 degrees.

What is a transversal?

• A line that crosses two or more other lines.

• A type of angle formed by two intersecting lines.

• A line that runs parallel to another line.

• A line that connects the midpoints of two sides of a triangle.

What is a supplementary angle?

• 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.