THE AREA OF A FLAT FIGURE IS THE NUMBER OF SQUARE UNITS THAT CAN FIT IN IT.

THE TOTAL DISTANCE AROUND A FIGURE

A LEG IS EITHER OF THE TWO SIDES THAT FORM THE RIGHT ANGLE ON A RIGHT TRIANGLE

A NUMBER THAT CAN BE WRITTEN AS A RATIO

ANY REAL NUMBER THAT CAN'T BE WRITTEN AS A RATIO

THE SIDE OF A RIGHT TRIANGLE OPPOSITE OF THE RIGHT ANGLE

MULTIPLYING A NUMBER BY ITSELF

A NUMBER THAT PRODUCES A SPECIFIED QUANTITY WHEN MULTIPLIED BY ITSELF.

THE SQUARE OF THE HYPOTENUSE (THE SIDE OPPOSITE THE RIGHT ANGLE) IS EQUAL TO THE SUM OF THE SQUARES OF THE OTHER TWO SIDES.

THE RIGHT TRIANGLE HAS ONE 90 DEGREE ANGLE AND TWO ACUTE (

A RIGHT ANGLE IS EQUAL TO 90 DEGREES

A STATEMENT THAT IS BELIEVED TO BE TUE BUT NOT YET PROVED