Which has the greatest area, a circle or a square, inscribed in an isosceles right angle triangle?
A square of area 40 square cms is inscribed in a semicircle. Find the area of the square that could be inscribed in a circle of the same radius.
Our 2025 Primary Advent calendar contains twenty-four tasks for the run-up to Christmas.
The information display on a train shows letters by illuminating dots in a rectangular array. What fraction of the dots in this array is illuminated?
Weekly Problem 45 - 2008
The diagram shows a regular pentagon with two of its diagonals. If all the diagonals are drawn in, into how many areas will the pentagon be divided?
