Vocab
Formulas
Quadrilaterals
Triangles
Angles
100
Define Congruent.
To be congruent means to have the same measure(s).
100
122+982=c2
Solve the equation above using the Pythagorean Theorem (a2+b2=c2). Round to the nearest tenth if necessary.
98.7 = c
100
True or False: Consecutive angles are complementary.
False; Consecutive angles are supplementary.
100
What are the three main triangle types relating to side measure?
The three main (side length) triangles types are Scalene, Isosceles, and Equilateral.
100
What is an acute angle?
An angle that is less than 90 degrees.
200
Define Theorem.
A Theorem is a statement that can be proven to be true using facts already known.
200
Using the formula to find the midpoint of a trapezoid, solve for x.
x=28
200
How do you classify a quadrilateral?
A quadrilateral is classified as a shape having 4 sides and 4 angles.
200
What are the four main triangle types relating to angle measure?
the four main triangle types relating to angle measure are acute, right, equiangular, and obtuse.
200
What does complementary mean?
It means for a pair of angles that add up to 90 degrees.
300
Define Ratio.
A Ratio is comparison of two numbers using division.
300
Find the distance between (-4,9) and (5,-1). Round to the nearest 10th if necessary.
d=13.5
300
Similarly to kites, the diagonals of a rhombus are _?
Perpendicular
300
What is the SSS Postulate?
The SSS postulate is if the sides of one triangle are congruent to the sides of a second triangle, then the triangles are congruent.
300
What is a straight angle?
A straight angle is an angle that is exactly 180 degrees.
400
Define Collinear & Coplanar.
To be Collinear means to be on the same line and to be Coplanar means to be on the same plane.
400
Using the Midpoint formula (((x1 + x2)/2, (y1 + y2)/2)), determine the midpoint between (3, -4) & (-3, 5).
(0, 1/2)
400
True or False: A rectangle is a square.
False; A square is a rectangle but a rectangle is not a square.
400
What are the parts of an isosceles triangle?
2 (congruent) legs, vertex angle, base, base angles.
400
What are adjacent angles?
Adjacent angles are angles that have a common vertex and side but no common interior points.
500
Define Postulate & provide an example.
A Postulate is a statement that describes a fundamental relationship of basic geometry terms.
500
What is another version of the formula for the midsegment of a Trapezoid?
m=(b1+b2)/2
500
Angles on the same leg of a trapezoid are_?
Supplementary.
500
What does CPCTC stand for?
Corresponding Parts of Congruent Triangles are Congruent.
500
What is a Linear Pair?
A Linear Pair is a pair of adjacent angles whose noncommon sides are opposite rays. They are supplementary to each other.