Examine the similar triangles created by shadows from the sun. [br]The yellow line represents the suns rays. [br]You can move points A and D to adjust and move segments AB and DE. [br]BC is the shadow from AB and EF is the shadow from DE. [br]Use the green slider to adjust the angle of elevation to the sun.

Compare the ratios for the red sides to the blue sides.[br]Make a ratio from the red side to the blue side for each triangle. How do they compare?