You have to find the total area
of the four triangular shapes shaded yellow, green, blue and red.The dimensions
marked 10.2 cm, 9.4 cm and 4.6 cm are fixed. The dimensions x and y are unknown
(but cannot be negative). Change the positions of the points O, P and Q and the
length y. The individual areas of the four triangles will change. But the total
remains the same. Can you make three of the four areas zero?
Can you
explain any of this? |
The total area is
|