What dimensions are needed to determine the area or perimeter?

READ the instructions on the right and INTERACT with the GeoGebra applet below.

Sorry, the GeoGebra Applet could not be started. Please install Java 1.4 (or later) to use this page.

Investigation Steps

    Click on the NEW TASK button.
  1. Adjust the rectangle, on the left, by moving point C to represent the tasks.
  2. By checking the boxes below, additional bonus points can be earned.
  3. Your goal is to earn over 120 points.
Permit decimal numbers.
More difficult tasks.

a = cm
b = cm
A = cm2
u = cm