DIRECTIONS:In the GeoGebra applet below,[br][br]1) Select the POINT tool. Then plot 2 points [i]A[/i] and [i]B[/i]. [br] [br]2) Select the SEMICIRCLE tool and construct a semicircle using points A and B as diameter.[br][br]3) Select the POINT tool and plot a point C on the semicircle.[br][br]4) Select POLYGON tool and construct a triangle using points A, B and C as vertices of the triangle.[br][br]5) Select ANGLE tool to measure the size of angle C. It should show 90 or right angle.[br][br]6) Hide the semicircle object.[br][br][color=#0000ff][br][br][/color]When you are done, please click TURN IN