cgrb-0402.qxd
11/12/01
9:38 AM
Page 19
LESSON
NAME _ DATE _
4.2
Practice A
For use with pages 179 184
1. Which equation can be used to find ma 1 in the diagram?
A. 75
40
C. 75
ma 1
B. ma 1
40
75
40
D. ma 1
40
1
75
ma 1
180
75
40
Find the measure of a 1.
2
cgrb-0103.qxd
11/9/01
1:29 PM
Page 29
LESSON
1.3
NAME _ DATE _
Practice A
For use with pages 14 20
Complete the statement.
1. Through any two points there is exactly one _.
?
2. Through any three points not on a line there is exactly one _.
?
3. Points th
Geometry L3
1.3 Vocabulary WS
Name: _
Date: _
Word Bank
Undefined Terms
Point
Line
Collinear points
Coplanar points
Endpoints
Plane
Ray
Coplanar lines
Postulate
Segment
Fill in the blanks with the words from the word bank:
1. _ are points that lie on the
Geometry L3
Name_
1.5 Segments and Their Measures
Segments
Essential Questions:
Why do we measure?
How does what we measure influence how we measure?
Item Measurements
Measure the following items using the supplied tools. Measure to nearest
millimeter and
cgrb-0105.qxd
11/9/01
1:31 PM
Page 47
LESSON
NAME _ DATE _
1.5
Lesson 1.5
Practice A
For use with pages 28 33
Use a ruler to measure the length of the segment to the nearest millimeter.
1.
2. C
N
3.
D
4. F
Y
M
G
X
Use the diagram at the right to determine
cgrb-0303.qxd
11/12/01
8:58 AM
Page 29
LESSON
NAME _ DATE _
3.3
Practice B
For use with pages 121 125
Complete the statement.
1. A _ is a line that intersects two or more coplanar lines at different points.
?
2. Two angles are _ if they occupy correspondi
Appendix 5
Slopes of Lines
Goal Find and use slopes of lines.
The slope of a nonvertical line is the ratio of vertical change (rise) to horizontal
change (run) between any two points on the line.
If a line in the coordinate plane passes through
the points
Geometry L3
2-01: 4.1 - Classifying Triangles
Name _
Date
_
By Their Sides
_
_
_
_
By Their Angles
_
_
_
1.
Classify the triangle by its sides.
2.
Classify the triangle by its angles and sides.
ON YOUR OWN
Classify the triangles.
Parts of a Triangle
A _ o
cgrb-0401.qxd
11/12/01
9:37 AM
Page 10
LESSON
NAME _ DATE _
4.1
Practice A
For use with pages 173 178
Match the triangle with its classification by sides.
1.
2.
3
3
3.
5
3
5
5
6
3
Lesson 4.1
3
A. Isosceles Triangle
B. Scalene Triangle
C. Equilateral Trian
cgrb-0401.qxd
11/12/01
9:37 AM
Page 10
LESSON
NAME _ DATE _
4.1
Practice A
For use with pages 173 178
Match the triangle with its classification by sides.
1.
2.
3
3
3.
5
3
5
5
6
3
Lesson 4.1
3
A. Isosceles Triangle
B. Scalene Triangle
C. Equilateral Trian
2-02: 4.2 Angle Measure of Triangles
_
Obj: SWBAT find angle measures in triangles
Name:
The SUM of the measures of the angles of a triangle is _.
Find the missing angle measure in the triangles below.
1.
2.
3.
and are right triangles. Suppose .
4. Find
5
QUIZ 8.1-8.4 REVIEW
Name_
1. Do you know all of the formulas for the chapter?
2.
Simplify the following:
a.
3.
b.
c.
Find the geometric mean of 5 and 8.
4. Find the values of x, y and z.
z
y
x
4
5.
8
Solve for x, y and z in the following diagrams.
a.
b.
c