Trigonometry - Short Problems


This is part of our collection of Short Problems.

You may also be interested in our longer problems on Trigonometry.

Overlapping Ribbons

KS 4 Short Challenge Level:

Challenge Level:3 Challenge Level:3 Challenge Level:3

Two ribbons are laid over each other so that they cross. Can you find the area of the overlap?

The Roller and the Triangle

KS 4 Short Challenge Level:

Challenge Level:3 Challenge Level:3 Challenge Level:3

How much of the inside of this triangular prism can Clare paint using a cylindrical roller?

Ice Cream Tangent

KS 4 Short Challenge Level:

Challenge Level:3 Challenge Level:3 Challenge Level:3

Weekly Problem 28 - 2008
The diagram shows a semi-circle and an isosceles triangle which have equal areas. What is the value of tan x?

Symmetric Angles

KS 4 Short Challenge Level:

Challenge Level:3 Challenge Level:3 Challenge Level:3

Weekly Problem 43 - 2009
This diagram has symmetry of order four. Can you use different geometric properties to find a particular length?