Angle Terms
an angle that is exactly 90 degrees
What is a right angle?
Segments that have the same measure are _______.
What is congruent?
6 sided polygon
What is a hexagon?
3 kinds of transformations studied
What is reflection, rotation and translation?
<1 and <2 are vertical angles, if the m<1 is 50 degrees, then the m<2 is ________.
What is 50 degrees?
an angle less than 90 and more than 0 degrees
What is acute?
A triangle that has two angles that are congruent and two sides that are congruent.
What is an isosceles triangle?
triangle angle sum theorem states 3 angles of a triangle add to equal _____.
What is 180 degrees?
a(n) _______ or flip over a line
What is reflection?
what is 3/2 or 1 and 1/2?
an angle more than 90 and less than 180 degrees
What is obtuse?
two nonadjacent angles formed by two intersecting lines
What are vertical angles?
midpoint formula
What is average of x and y coord.?
What are the coordinates B'(6,1)?
A right triangle has an angle equal to 35 degrees, the other angle is _____
What is 55 degrees?
an angle exactly 180 degrees
What is a straight angle?
A ______ is a statement or conjecture that can be proven true by undefined terms, def. and postulates.
What is theorem?
slope formula
What is the change of y (y2 - y1) over change of x (x2 - x1)?
describe A(-3,3) that has a reflection is A'(-3,-3)
What is a reflection in the x-axis?
In an isosceles triangle, the vertex angle is 100 degrees, one of the base angles is ____.
What is 40 degrees?
angles that add up to equal 180 degrees
What are supplementary angles?
An _______ angle is formed by one side of a triangle and an extension of another side.
What is an exterior angle?
point slope formula
What is y - y1 = m(x - x1)?
rotation of 90 degrees about the origin
What is (-y, x)?
E is the midpoint of DF, DE = 15 - 3x and EF = x + 3, find EF.
What is 6?