WIDTH * HEIGHT

BASE X ALTITUDE

1/2 X B X H

1/2(A+B) X H

B + A

A LINE FROM THE CENTER TO THE CERCUMFERENCE OF A CIRCLE

A LINE PASSING FROM ONE SIDE THROUGH THE OTHER OF A BODY OR FIGURE

A LIME FROM THE CENTER OF A POLYGON AT THE RIGHT ANGLE TO ITS SIDES

IF ALL ANGLES AND SIDES ARE EQUAL IT IS A REGULAR POLYGON

ARC OF A CIRCLE HAVING A MEASURE LESS THAN OR EQUAL TOO

AN ARC OF A CIRCLE HAVING MEASURE GREATER THAN OR EQUAL TO

THE ENCLOSING BOUNDARY OF A CURVED GEOMETRIC FIGURE

DISTANCE ALONG THE ARC

(PI)R^2

(0/2-PI-) X (PI) X R^2