GEOMETRY BASICS
Name one of the three undefined terms of geometry.
What is a point, line, or plane
A triangle with two equal sides is called what?
What is isosceles?
Opposite angles formed by intersecting lines are called what?
What are vertical angles?
Write the equation of a line with slope 2 and y-intercept –1.
What is y=2x−1
Two sides and the included angle prove triangles congruent by which postulate?
What is SAS
How many dimensions does a line have?
What is one?
A triangle with one 90° angle is called what?
What is a right triangle?
Two angles that add up to 90° are called what?
What are complementary angles?
What is the y-intercept of y=−3x+4
What is (0, 4)?
Two angles and a side prove triangle congruence by which postulate?
What is ASA
Two lines that do not intersect and are not in the same plane are called what?
What are skew lines?
A triangle with all sides different and all angles less than 90° is what type?
What is scalene acute?
If two parallel lines are cut by a transversal, alternate interior angles are ________.
What is congruent?
What is the x-intercept of x+y=6
What is (6,0)
Why does AAA not prove triangle congruence?
What is because it only proves similarity?
or
What is because the sides may still be different lengths?
Any two points determine exactly one ________.
What is a line?
Which triangle is not possible?
What is an obtuse equilateral triangle?
Two angles that form a straight line are called what?
What are linear pairs?
A line with slope 0 is ________.
What is horizontal
HL can only be used for what type of triangle?
What is a right triangle
A line and a point not on the line determine exactly one ________.
What is a plane?
What is the sum of the interior angles of any triangle?
What is 180°?
If corresponding angles are congruent, the lines are ________.
What is parallel?
A line with an undefined slope is ________.
What is vertical
If two triangles are congruent, their corresponding sides are ________.
What is congruent