Download Unit 8 Vocabulary and Definitions

UNIT 11
VOCAB
New Terms
Never
Heard
Can
Heard
It
Define
It
1. Point
Definitions
It
A position in space.
(Usually described by an ordered pair.)
2. Line
A long, thin continuous mark.
MN
3. Ray
A line that has a starting point but no
end point.
MN
4. Segment
A part of a line with two endpoints.
MN
New Terms
Never
Heard
Can
Heard
It
Define
It
Definitions
It
5. Collinear
Three or more points that lie on the
same straight line.
6. Plane
A flat surface.
7. Coplanar
Three or more points that lie on the
same plane.
8. Distance
Formula
9. Pythagorean
Theorem
d
x2  x1 2   y2  y1 2
a b c
2
2
2
New Terms
Never
Heard
Can
Heard
It
Define
It
Definitions
It
10. Acute Angle
An angle measuring less than 90
degrees.
11. Obtuse Angle
An angle measuring more than 90
degrees.
12. Right Angle
An angle measuring 90 degrees.
New Terms
Never
Heard
Can
Heard
It
Define
It
Definitions
It
13. Bisector
A line that cuts an object in half.
14. Midpoint
The point in the middle of a line
segment.
15.
Complementary
Angles
Two angles whose sum is 90 degrees.
16.
Supplementary
Angles
Two angles whose sum is 180 degrees.
Frayer Model
Definition in your own words
Examples
Facts/characteristics
Word
Nonexamples
Frayer Model
Definition in your own words
A quadrilateral is a shape
with 4 sides.
Examples
• square
• rectangle
• trapezoid
• rhombus
Facts/characteristics
•4 sides
• may or may not be of equal
length
• sides may or may not be
parallel
Quadrilateral
Nonexamples
• circle
• triangle
• pentagon
• dodecahedron
Ray
Segment
Collinear
Coplanar
Distance
Formula
Plane
Pythagorean
Theorem
Acute
Angle
Right
Angle
Obtuse
Angle
Bisector
Midpoint
Complementary
Angles
Supplementary
Angles
Line