Triangles and Quadrilaterals

A closed shape with 3 sides that are straight lines is a ________?

• Square

• Rectangle

• Quadrilateral

• Triangle

A shape that is enclosed by 4 lines is a __________?

• Triangle

• Circle

• Quadrilateral

• Star

Which 2 shapes are triangles?

• A and D

• F and H

• A and F

• D and H

Which 2 shapes are quadrilaterals?

• B and E

• G and B

• G and C

• C and E

A corner shape like this is called a _______.

• right angle

• pointy corner

• folded corner

• left angle

A quadrilateral with 4 corners that are right angles like this picture is a ________.

• square

• rectangle

• triangle

• circle

A quadrilateral with four corners that are right angles and all sides the same length is a ________.

• rectangle

• triangle

• circle

• square

Which shapes are rectangles?

• A and C

• B and E

• C and E

• C and D

Which shapes are squares?

• A and B

• B and D

• A and C

• C and D