Weekly Problem 26 - 2014
Which of the given numbers is divisible by 6?
Weekly Problem 27 - 2013
The diagram shows a parallelogram inside a triangle. What is the value of $x$?
Weekly Problem 29 - 2008
The seven pieces in this 12 cm by 12 cm square make a Tangram set. What is the area of the shaded parallelogram?
Weekly Problem 35 - 2009
Two equilateral triangles have been drawn on two adjacent sides of a square. What is the angle between the triangles?
Weekly Problem 18 - 2008
The diagram shows a regular pentagon. Can you work out the size of the marked angle?
Weekly Problem 50 - 2008
The lengths SP, SQ and SR are equal and the angle SRQ is x degrees. What is the size of angle PQR?
Weekly Problem 38 - 2008
A quadrilateral can have four right angles. What is the largest number of right angles an octagon can have?
The diagram shows 8 shaded squares inside a circle. What is the shaded area?
Weekly Problem 3 - 2009
What fraction of the area of this regular hexagon is the shaded triangle?
The diagrams show squares placed inside semicircles. What is the ratio of the shaded areas?
