Geometry Terms

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 120 degrees

• 180 degrees

What is an acute angle?

• An angle that measures exactly 90 degrees.

• An angle that measures more than 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 45 degrees.

How many lines of symmetry does a square have?

• 2 lines of symmetry

• 4 lines of symmetry

• 6 lines of symmetry

• 8 lines of symmetry

How many sides does a hexagon have?

• 4 sides

• 5 sides

• 6 sides

• 7 sides

What is a line of symmetry?

• A line that divides a shape into two identical parts.

• A line that connects two opposite corners of a shape.

• A line that represents the longest side of a shape.

• A line that indicates the perimeter of a shape.

What needs to be lined up with the protractor when measuring angles?

• The vertex, where the two rays meet.

• The midpoint of the angle.

• The longest ray of the angle.

• The base of the protractor.

What is the measure of an angle that cuts off 5/8 of a circle?

• 180 degrees

• 225 degrees

• 270 degrees

• 300 degrees

What is a polygon?

• A closed shape with straight sides.

• A shape with curved sides.

• An open figure with straight sides.

• A three-dimensional shape.

What is a quadrilateral?

• A polygon with 3 sides.

• A polygon with 4 sides.

• A polygon with 5 sides.

• A polygon with 6 sides.

What is the total measure of angles in a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 120 degrees