TRIANGLES
ANGLES
BUILDING BLOCKS
POTPOURRI
ANGLES AND LINES
100
THE NUMBER OF ACUTE ANGLES IN AN OBTUSE TRIANGLE
What is TWO
100
AN ANGLE WHOSE MEASURE IS 90 DEGREES
What is A RIGHT ANGLE
100
THIS MAKES UP EVERY OTHER FIGURE IN GEOMETRY
What is POINTS
100
TWO OR MORE POINTS THAT LIE ON THE SAME LINE
What is COLLINEAR POINTS
100
TWO OR MORE LINES THAT LIE IN THE SAME PLANE AND DO NOT INTERSECT
What ARE PARALLEL LINES
200
THE TWO ACUTE ANGLES IN A RIGHT TRIANGLE ARE THIS
What is COMPLEMENTARY
200
AN ANGLE WHOSE MEASURE IS LESS THAN 90 DEGREES
What is AN ACUTE ANGLE
200
THE POINT WHERE TWO RAYS OF AN ANGLE MEET
What is THE VERTEX
200
THE UNIT OF MEASURE FOR ANGLES
What is DEGREES
200
TWO LINES THAT INTERSECT TO FORM A RIGHT ANGLE
What ARE PERPENDICULAR LINES
300
THE NUMBER OF EQUAL SIDES IN AN ISOSCELES TRIANGLE
What is AT LEAST TWO
300
AN ANGLE WHOSE MEASURE IS GREATER THAN 90 DEGREES, BUT LESS THAN 180 DEGREES
What is AN OBTUSE ANGLE
300
THREE WAYS TO NAME THE ANGLE SHOWN
What is RAT, TAR, A (WITH ANGLE SYMBOLS)
300
LINES THAT ARE IN THE SAME PLANE AND DO NOT INTERSECT
What is PARALLEL LINES
300
TWO ANGLES WHOSE MEASURES HAVE THE SUM OF 90 DEGREES
What ARE COMPLEMENTARY ANGLES
400
A SEGMENT THAT CONNECTS A VERTEX TO THE MIDPOINT OF THE OPPOSITE SIDE IN A TRIANGLE
What is A MEDIAN
400
AN EXAMPLE THAT PROVES A STATEMENT WRONG
What is A COUNTER-EXAMPLE
400
THE THREE UNDEFINED TERMS OF GEOMETRY
What is POINT, LINE, PLANE
400
A CLOSED GEOMETRIC FIGURE IN A PLANE IN WHICH LINE SEGMENTS CONNECT ENDPOINT TO ENDPOINT AND EACH SEGMENT INTERSECTS EXACTLY TWO OTHERS
What is A POLYGON
400
TWO ANGLES WHOSE MEASURES HAVE THE SUM OF 180 DEGREES
What ARE SUPPLEMENTARY ANGLES
500
TWO OF THE ALTITUDES OF A RIGHT TRIANGLE ARE ALSO THIS
What is THE SIDES OF THE TRIANGLE
500
THE SUM OF THE ANGLES IN A TRIANGLE
What is 180 DEGREES
500
POINTS ON THE SAME PLANE
What is COLLINEAR POINTS
500
AN 11- SIDED POLYGON
What is AN UNDECAGON
500
A RAY THAT DIVIDES AN ANGLE INTO TWO CONGRUENT ANGLES
What is AN ANGLE BISECTOR
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