Download Class Notes Geometry Sec 2.5 Objective

Objective: Apply concepts of perimeter, area, and volume
4.8.8
Class Notes Geometry Sec 2.5
1. Review: Find x in each diagram below.
a.
2x +103
b.
6x - 3
2x + 29
2. Vocabulary: An angle bisector cuts an angle into
two equal parts.
A
Ray BD: BD
D
B
C
Bisects ABC
6x - 3
3.
Example 1: Use the given information to find x.
B
A
5x - 6 D
4x + 24
Ray BD: BD
Bisects ABC
C
4.
Example 2: Angle ABC = 106. Find x.
B
A
7x - 10 D
4x + 28
C
4. Example 3: Angle 1 is angle 2 doubled and reduced
by 6. Together the two angles are 105. How much
is angle 1?
1
2