Can you fit Ls together to make larger versions of themselves?
If the base and height of a triangle are increased by different percentages, what happens to its area?
What proportion of each of these pendants will be made of gold?
Weekly Problem 27 - 2012
Television screens have changed from the traditional 4:3 to widescreen 16:9. If a new television and an old television have the same area, what is the ratio of their widths?
Can you find the missing length?
The horizontal red line divides this equilateral triangle into two shapes of equal area. How long is the red line?