Unit 7 District Assessment

An acute angle is _______________

• less than 90°

• equal to 90°

• greater than 90°

• less than 45°

What is a quadrilateral?

• A polygon with three sides.

• A polygon with four sides.

• A polygon with five sides.

• A polygon with six sides.

What is the sum of angles in a triangle?

• 90°

• 180°

• 360°

• 270°

What is a straight angle?

• An angle that measures exactly 90°.

• An angle that measures exactly 180°.

• An angle that measures less than 90°.

• An angle that measures more than 180°.

What is the correct measurement of this angle?

• 45°

• 60°

• 75°

• 90°

Which shape has NO lines of symmetry?

• Circle

• Square

• Triangle

• C

What is a reflex angle?

• An angle that measures less than 90°.

• An angle that measures exactly 180°.

• An angle that measures greater than 180° but less than 360°.

• An angle that measures between 90° and 180°.

What is a polygon?

• A closed figure with three or more straight sides.

• A shape with only curved edges.

• A figure that can be opened and closed.

• A line that connects two points.

How many lines of symmetry does a circle have?

• 2

• Infinite lines of symmetry.

• 1

• 4

If a right angle is divided into 2 angles and one angle measures 30°, how many degrees is the other angle?

• 30°

• 45°

• 60°

• 90°