How many triangles can you make on the 3 by 3 pegboard?
Investigate all the different squares you can make on this 5 by 5 grid by making your starting side go from the bottom left hand point. Can you find out the areas of all these squares?
How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?
Can you find all the different triangles on these peg boards, and find their angles?
Use the interactivity to investigate what kinds of triangles can be drawn on peg boards with different numbers of pegs.
Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.
Can you work out what kind of rotation produced this pattern of pegs in our pegboard?