Two angles whose sum is 90 degrees are called this.
Complementary Angles
Determine the next term: 34, 27, 20, 13, ...
6
The form y = mx+b is called the ______ form
Three interior angles of a triangle are x, 100, and 42 degrees. Solve for x
38 degrees
Regular
Congruent angles across from each other that are formed by two intersecting lines are called this.
Vertical Angles
Is this a good definition? A newspaper has articles you can read. Explain your answer.
No, converse is not a true statement.
The product of perpendicular slopes is this.
-1
What does CPCTC stand for?
Corresponding Parts of Congruent Triangles are Congruent
90
Name the four types of angles
Acute, Obtuse, Right, and Straight
If a figure is a square, then it has four sides. What is the inverse statement?
If a figure is not a square, then it does not have four sides.
Another name for same-side interior angles is this.
Consecutive interior angles
The point where three or more lines intersect is called the __________________.
Point of concurrency
Which sides of a kite are congruent? Are any sides of a kite parallel?
Find the midpoint (-8, 4), (0, -2)
(-4, 1)
Make a conclusion and name the law being used. If two angles are vertical, then they are congruent. If two angles are congruent, then their measures are equal.
Two alternate interior angles are 65 degrees and 3x + 5 degrees. Solve for x.
x = 20
Two interior angles of a triangle are 39 and 62. What is the measurement of the opposite exterior angle of the same triangle?
101 degrees
A quadrilateral with 1 pair of parallel opposite bases and 1 pair of congruent legs is called what?
Isosceles trapezoid
2x and 3x are a linear pair. Solve for x.
x = 36
If <1 is congruent to <2, then <2 is congruent to <1. This is an example of which property?
Symmetric Property
Write the equation of a line that is parallel to y = 8x - 1 that passes through (-6, 2)
y = 8x + 50
Describe a median and give the name of the point of concurrency for three medians.
Median - line that connects a vertex with the midpoint of the opposite side. Point of concurrency - Centroid
Two bases of a trapezoid are x - 3 and 2x - 2. The midsegment is x. Solve for x.
x = 5