Geomerty terms Flashcards

313104015	acute angle	An angle with a measure greater then 0* and less then 90*.	1
313104016	area	The number of square units needed to cover the surface enclosed by a geometric figure.	2
313104017	bisect	To separate into 2 congruent (equal) parts	3
313104018	circumference	The distance around a circle	4
313104019	complementary angles	two angles that together make up a 90* (right angle)	5
313104020	congruent	Having the same measure.	6
313104021	degree	The most common unit of measure for angles	7
313104022	diameter	The distance across a circle through its center.	8
313104023	edge	the intersection of faces of a 3 -D (dimensional figure)	9
313104024	equilateral	A triangle in which all the sides are of equal length	10
313104025	face	The flat surface of a 3 dimensional figure	11
313104026	isosceles	describes a triangle in which two of the three sides are of equal length	12
313104027	obtuse angle	describes an angle greater than 90º and less than 180º	13
313104028	parallel lines	relating to or being lines, planes, or curved surfaces that are always the same distance apart and therefore never meet	14
313104029	perimeter	the distance around any enclosed geometric figure.	15
313104030	perpendicular	when two lines meet at right angles	16
313104031	radius	a straight line extending from the center of a circle to its edge	17
313104032	right angle	an angle of 90°	18
313104033	scalene	describes a triangle in which each side is a different length	19
313104034	supplementary angles	two angles whose sum = 180*	20
313104035	vertex	the common endpoint of two rays forming an angle.	21
313104036	volume	the amount of space inside a 3-D object	22
313104037	straight angle	an angle of 180°	23