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Geometry

TermDefinition
Collinear Points points on same line
Midpoint (M) middle point (x1+x2,y1+y2) (2 ,2 )
Bisect to cut in half
Distance d=(x2-x1)2+(y2-y1)2
Slope rise/run y/x
Parallel lines same
Perpendicular lines opposite recipricals
Acute angles less than 90 degrees
Obtuse angles more than 90 degrees less than 180 degrees
Right angles 90 degrees
Straight angles 180 degrees
Adjacent angles 2 angles that shares a vertex & side
Complementary angles 2 angles that makes a perpendicular right angle sum
Scalene unequal sides
Isosceles 2 equal sides
Equilateral equal sides
Expression y/x (0)
Conditional statement a statement that can be written in an if-then form
Deductive reasoning reasoning logically from given statements to conclusions
Corresponding angles 2 angles on the same side of the transversal 1 angle's interior & the other's exterior
Alternate interior angles 2 angles opposite sides of transversal interior
Alternate exterior angles 2 angles opposite sides of transversal exterior
same side interior 2 angles same side interior
Y=x /
X=y \
Pythagorean Theorem a2+b2=c2