
Shows how a square can be constructed, using
its diagonals. 

Drag the vertices and have a look at some
squares. 

What do the diagonals of a rectangle do?
Change the rectangle and see if the rules remain true. 

What do you know about isosceles triangles?
Drag this triangle around and find out. 

Look at this spinning triangle and answer the
questions. 

Drag this rhombus around and check its
measurements. 

Is there anything special about the diagonals
and the opposite angles of a parallelogram? 

Match sides and angles as you watch the
animation. 

Can you change this trapezium to a
parallelogram or square? 

What is special about kites? Drag this
kite around to see. 

Drag the pink triangle onto your new
triangle. Do all your triangles match the original? 

Why do D and C coincide? This activity helps
you understand the AAS test of congruency. 

Look at the numbers as you watch the
animation. Change the picture to see if the rules still work. 

'Power of a point' theorem. This theorem combines all
the tangent and secant properties you learn in the Extension 1 Maths course. 
Watch this space 
More Wingeom coming soon 