Geometry Basics
Triangles
Angles
Polygons
Misc.
100
A pair of adjacent supplementary angles
What is a linear pair? (add up to 180 degrees)
100
a triangle with all equal sides
What is equilateral
100
two angles that share a common vertex and side
What are adjacent angles
100
A parallelogram with four right angles
What is either a square or a rectangle?
100
The sum of the interior angles of quadrilateral
What is 360 degrees
200
a) Lines that lie in the same plane but never intersect b) Lines that intersect and form a 90 degree angle
a) what are parallel lines? b) what are perpendicular lines?
200
When triangle NED is congruent to triangle RWO, this is the angle that corresponds to angle WRO.
What is angle END? Or angle E
200
What are the sum of two complementary angles?
what is 90 degrees?
200
a quadrilateral that is both equiangular and equilateral
What is a square?
200
concurrent at the incenter
angle bisector
300
What is the equation for slop?
What is rise over run, change in y over change in x
300
Whether the lengths of 7 cm, 5 cm, and 2 will form a triangle
What is no, they will NOT form a triangle because the sum of the 2 shortest sides is less than the third side.
300
can 30, 60, and 100 be the angles of a triangle?
No it is over 180 degrees
300
If the angle of a square is 2x, what is x?
what is 45 degrees
300
what is a perpendicular bisector?
What is a line or ray that divides a line segment into two equal pieces, while creating two 90 degree angles?
400
The slope of a line perpendicular to a line with slope of 5/3
What is a line with slope of -3/5 (slopes are opposite and reciprocals of each other)
400
The measure of a base angle in an isosceles triangle whose vertex angle is 37.5 degrees
What is 71.25 degrees? (180-37.5)/2
400
if two angles are congruent and angle a is 160 degrees and angle be is 8x what is x?
What is 20
400
Triangle A: 30, 70 Triangle B: 80, 30 Are they similar? Why?
What is Yes, AA
400
The angles of a triangle ABC are 30, 40, 110 respectively. Name the sides of the triangle in order from least to greatest
What is BC, AC, AB
500
Two requirements to be similar
what are congruent angles, sides in proportion
500
what is the Pythagorean theorem and what is it used for
a^2+b^2=c^2 and right triangles
500
If the degrees of a right triangle are 60 and 3x, what is x?
what is 10
500
If triangle A and B are similar and triangle As angles are 30, 65, and 5x, what is x? what are triangle Bs angles?
what is 17 30, 60, and 85
500
three of the things that occur when a line bisects the vertex angle of an isosceles triangle
What is : 1. the line is a perpendicular bisector of the base 2. the line is also a median 3. the line is a line of symmetry for the triangle
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