What are two angles whose sum adds up to 180?
Supplementary Angles
A midpoint does what to a segment?
Cuts the pieces in half (or two equal parts)
This is a figure formed by two rays with a common endpoint, or vertex.
What is an angle.
This is the formula you would use to find the circumference of a circle.
What is 2*Pi*r or Pi*d
What are two angles that create a straight line and are next to one another?
Linear adjacent angles
What is the midpoint of (3, 2) and (-1, 4)?
(1, 3)
These intersect at a 90 degree angle.
What are perpendicular lines.
This is the formula you would use to find the area of a circle.
What is A=(pi)r^2
If a horizontal line is connected by two endpoints, one at -4 and one at 4, this is the distance between those two points.
What is 8 units
If angle XYZ is 65 degrees and ABC is 135 degrees, which one is obtuse?
ABC
What is the midpoint of (10, -11) and (9, -10)
19/2 and -21/2
This is a straight path that has no thickness and extends forever.
What is a line.
This is the formula you would use to find the arc length.
What is (a/360)2Pi*r
or
(a/360)Pi*d
This is the distance between pts (0,3) and (5,1).
What is sq rt 29. or 5.4
KL bisects angle HKJ. If HKL is (13x + 20) degrees and LKJ is (10x +29) degrees what is the measure of HKJ?
114 degrees
What is the endpoint of the segment, if the midpoint is (-2, 3) and the other endpoint is (5, 0)?
(-9, 6)
These are not coplanar, are not parallel and do not intersect.
What are skew lines.
This is the formula you would use to find the sector of a circle.
What is (a/360)Pi*r^2
This is the distance between two pts at (-2,7) and (-2,-8)
What is 15
An angle is 5 less than 4 times its compliment, what are the measures of the two angels?
19 and 71
What is the endpoint of a segment, if the midpoint is (-2, 3) and the other endpoint is (-4, 4)?
(0, 2)
This is the point of concurrency of the medians of a triangle.
What is the centroid.
This is the formula you would use to find the length of a missing leg of a triangle.
What is a^2 +b^2 = c^2
The distance formula comes from this popular theorem.
What is Pythagorean Theorem