Point Opposite rays Ray Plane Congruent Coplanar Line Bisect

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Warmup Chapter 1.1 – 1.2
Name: _________Period:____ Date:______
Questions 1 – 7 use the word bank to match each word with the definition.
Point
Opposite rays
Coplanar Line
Ray
Plane
Congruent
Bisect
Segment
Collinear
__________ 1. A location drawn as a dot and named with a capital letter.
__________2. Words means “equals to.”
__________ 3. A straight line that connects two points without extending beyond the points.
__________4. Points that lie on the same line.
__________5. A flat surface named with a capital cursive letter or by three letters.
__________6. A portion of a line with one endpoint that extends in one direction.
__________7. Drawn arrowheads on both ends and named by two letters or lowercase cursive letters.
For questions 8 ­10, use the figure.
8. What is another name for line l? __________
9. Name three points on Plane P. ___________
10. Name the intersection of planes P and B. ________
1
Determine what each notation represents:
1. AB
2. AB
3. AB
4. AB
5. Given that BD bisects <ABC, solve for x. Then find m<ABC.
A
D
(4x+6)o
B
38o
C
6. Name an angle supplementary to <SBA
D
M
U
S
B
A
2
3
15
4
5
Distance and Midpoint Review
Given points A(‐5, 4) and B(1, ‐3), find the following:
1. The midpoint of AB
2. The length of AB
3. If B is the midpoint of AC, find the coordinates of the missing endpoint C.
6
Given points C(‐1,5) and D(2, ‐1), find the following:
4. Find the midpoint of CD.
5. Find the length of CD
6. If D is the midpoint of CE, find the coordinates of the missing endpoint E.
7
1.5 – Describe Angle Pair Relationships
Complementary Angles – the sum of 2 angles equals 90o.
Ex:
Supplementary Angles – the sum of 2 angles equals 180o. Ex:
8
Adjacent Angles – 2 angles that share a common vertex and side.
Ex: B
9
A linear pair is 2 adjacent angles whose noncommon sides are opposite rays.
Ex: Vertical Angles – are 2 angles whose sides form 2 pairs of opposite rays.
Ex:
10
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