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Geometry prompts

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im  2-dimensional shapes inquiry

Shapes and circles
im Overlapping shapes inquiry 

(Also circle prompts and overlapping triangles inquiry)
Angles and shapes

im 4 pentagons inquiry
im 12 equilateral triangles
im Parallel lines inquiry

im  A square fits better into a circle than a circle fits into a square.

im  The areas of a rectangle, a triangle and a circle are equal.
im  Fraction of a shape inquiry

    Area and perimeter 
    im  4 by 3 rectangle inquiry
    Volume and surface area
    im The surface area of a cuboid can never be less than its volume.

    Volume of a cylinder
     For a cylinder of volume πr2hr + 
    n. Given n, the maximum volume occurs when r and h are integers.
    im Enlargement inquiry
    Scale factors
    im Scale factors inquiry
    The surface area and volume of cube B are
    twice the surface area and volume of cube A.
    Combined transformations
    im If you reflect a shape twice in two different lines of reflection, then you can map the object onto the image with one transformation.  
    Pythagoras' Theorem and trigonometry
    im Right-angled triangles inquiry