PRESENTATION OUTLINE
ACUTE ANGLE -IS AN ANGLE LESS THAN 90 DEGREES
LINE-A STRAIGHT PAIR OF POINTS THAT CONTINUES WITHOUT END IN BOTH DIRECTIONS
LINE OF SYMMYTRY-AN IMAGINARY LINE THAT DIVIDES A SHAPE
LINE SYMMETRY-WHAT A SHAPE HAS IF IT CAN BE FOLDED IN TWO MATCHING PARTS
OBTUSE ANGLE-AN ANGLE THAT HAS A MEASURE GREATER THAN A RIGHT ANGLE .
RAY-A PART OF A LINE WITH ONE END POINT IN A STRAIGHT LINE.
RIGHT ANGLE-AN ANGLE THAT FORMS A 90 DEGREE ANGLE
INTERSECTING LINES- LINES THAT CROSS EXACTLY ONE POINT AND FORMS FOUR ANGLES
PARALLEL LINES- LINES THAT WILL NEVER INTERSECT
PERPENDICULAR LINES-LINES THAT FORM FOUR RIGHT ANGLES
TRAPEZOID- HAS ONE PAIR OF PARALLEL LINES
PARALLELOGRAM- HAS TWO PAIRS OF PARALLEL SIDES AND TWO PAIRS OF EQUAL LENGTH
RHOMBUS- HAS TWO PAIRS OF PARALLEL SIDES AND FOUR SIDES OF EQUAL LENGTH
RECTANGLE-HAS TWO PAIRS OF PARALLEL SIDES
SQUARE-HAS TWO PAIRS OF PARALLEL SIDES,FOUR SIDES OF EQUAL LENGTH,AND FOUR RIGHT ANGLES
TRIANGLE-HAS THREE SIDES AND THREE LINES OF SYMMTRY
HEXAGON-HAS SIX SIDES AND SIX LINES OF SYMMETRY
