You may also like

problem icon

Building Tetrahedra

Can you make a tetrahedron whose faces all have the same perimeter?

problem icon

Ladder and Cube

A 1 metre cube has one face on the ground and one face against a wall. A 4 metre ladder leans against the wall and just touches the cube. How high is the top of the ladder above the ground?

problem icon

Bendy Quad

Four rods are hinged at their ends to form a convex quadrilateral. Investigate the different shapes that the quadrilateral can take. Be patient this problem may be slow to load.

Where to Land

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

This printable worksheet may be useful: Where to Land.

Some useful questions:
How long will it take if Chris swims straight to the river bank?
Is the shortest distance the fastest?
What happens if Chris aims for land half way between the previous two points?