Perimeter of compound rectangles
Ever tried figuring out how much fencing you need for
Geometry and Shape
Interactive geometry, shape and measures worksheets.
Loci demonstration
Stanley the Sheep's Grazing Area
Stanley is tethered
Circumference in terms of pi
Knowing how to calculate the **circumference of a circle in
Approximating pi with polygons
This visualisation shows how π can be approximated by using
Distance calculations
Whether you're working out how far your friend
3d object visualisation tool
Visualising 3D objects helps us understand how shapes look and
Similar polygons and missing lengths
Similar triangles pop up everywhere — from architects designing buildings to
Scale factor and similarity
Similarity and Scale Factor often come up when resizing images,
Force calculations
Force calculations using pressure and area are crucial in understanding
Perimeter of rectangles with mixed metric units
Working out the perimeter of a rectangle is simple—just