Building Blocks
An exact location
What is a point?
Two angles whose measures add up to 180o
What are supplementary angles?
Two segments, angles or figures with the same measure
What is congruent?
<3 and < 4 are vertical angles. If <3 = 30o. Find the m<4
What is 30o?
This angle measure is twice as large as its complement.
What is 60o?
Made up of points and has no thickness or width
What is a line?
Two angles whose measures add up to 90o
What are complementary angles?
A ray dividing an angle into two congruent angles is called an __?__
What is an angle bisector?
<1 and <2 are vertical angles. If the m<1 = 5x + 28 and m<2 = 12x. Find x
What is 4?
<ABC has the ray BD running through it. The m<ABC = 120o. The m<ABD = 2x + 20 and the m<DBC = 3x. Find x
What is 20?
A flat surface that extends infinitely in all directions
What is a plane?
Angles opposite each other formed by intersecting lines
What are vertical angles?
The distance between (8,-1) and (-4,-10)
What is 15?
<1 and <2 are vertical angles. The m<1 = 4x - 25 and m<2 = 2x + 13. Find the m<1
What is 51o?
Ray BD bisects <ABC. The m<ABD = 2x + 13 and m<DBC = x + 18. Find the m<ABC.
What is 46o?
Part of a line consisting of two endpoints
What is a line segment?
Two angles that have a common vertex and a common ray.
What are adjacent angles?
Point B is between A and C. If AC = 3x + 3, BC =11, and AB = 2x - 1. Find x
What is 7?
If two lines intersect to form adjacent congruent angles, then the lines are ___?___
What is perpendicular?
The measures of two angles when one angle is three times as big as its supplement.
What is 45o and 135o?
Formed by two noncollinear rays that have a common endpoint
What is an angle?
Two adjacent supplementary angles
What is a linear pair?
B is the midpoint of line segment AC. AB = x + 6 and BC = 3x - 32. Find x.
What is 19?
If two vertical angles are perpendicular, what is the measure of each angle formed?
What is 90o?
<FDE and <CDE are supplementary. The m<CDE = 3x + 10 and the measure of <FDE = 6x + 8. Find m<FDE
What is 116o?