2D Spatial Structure - Checking for Understanding

Quadrilaterals are polygons that have ​ (a)   sides​.

• four
• three
• five

Select all of the quadrilaterals below.

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• 
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• 
• 

Categorise the following polygons based on their lines of symmetry.

Groups:

(a) 0

,

(b) 1

,

(c) 2

,

(d) 4

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• 
• 
• 
• 
• 
• 
• 
• 

A square has 4 orders of rotational symmetry.

• True
• False

A rectangle has 4 orders of rotational symmetry.

• True
• False

An equilateral triangle has 3 orders of rotational symmetry.

• True
• False

A regular pentagon has 5 orders of rotational symmetry.

• True

• False

A circle has infinite orders of rotational symmetry.

• False

• True

A regular hexagon has 8 orders of rotational symmetry.

• True

• False

This shape has (a)   orders of rotational symmetry.

• 3
• 4
• 5
• 6