A CIRCULAR THREE DIMENSIONAL SHAPE WITH A DIAMETER.

A SEMI CIRCLE IS HALF OF A CIRCLE. THE THREE POINT LINE IS A SEMI CIRCLE.

TWO LINES THAT NEVER INTERSECT OR ARE NEVER PARALLEL.

AN ANGLE THAT ADDS UP TO 90 DEGREES. THE KEY HAS FOUR RIGHT ANGLES.

TWO SHAPES THAT HAVE EQUAL ANGLES AND SIDES.

FIGURES THAT LOOK THE SAME BUT ARE NOT EQUAL.BOTH RECTANGLES ARE SIMILAR

THE SPACE BETWEEN TWO INTERSECTING LINES OR SURFACES.

A LINE THAT HAS AN ENDING. A COURT HAS TONS OF LINE SEGMENTS.

HALF THE LENGTH OF A CIRCLE. EACH ALL HAS A RADIUS

THE FULL LENGTH OF A SPERE OR CIRCLE. EVER BALL HAS A DIMETER.

A LINE SEMENT THAT COMES THROUGH A ROUNDED AREA.

A PARALLELOGRAM WITH FOUR EQUAL ANGLES.

A CLOSED CURVED PLANE

A PARALLELOGRAM HAVING FOUR EQUAL ANGLES.