A window frame in Salt's Mill consists of two equal semicircles and a circle inside a large semicircle. What is the radius of the circle?
Weekly Problem 8 - 2010
Are you able to find triangles such that these five statements are true?
Weekly Problem 11 - 2007
A circle of radius 1 rolls without slipping round the inside of a square of side length 4. Find an expression for the number of revolutions the circle makes.
Weekly Problem 40 - 2013
Given three sides of a quadrilateral, what is the longest that the fourth side can be?
Weekly Problem 5 - 2006
How many times does the inside disc have to roll around the inside of the ring to return to its initial position?
The white square slides once around the pink square. Through what distance does the point P on the white square move?
