Show:
Parallel Lines and Transversals
Angles of Triangles
Angles of Polygons
Using Similar Triangles
Misc.
100
           Which angle corresponds to angle 2?
Angle 6
100
a = 60 degrees
100
 Is this a polygon?
No
100
     Are the triangles similar?
Yes, they have two congruent angle pairs implying the third pair is congruent
100
  

Find the interior angles.

30 degrees, 60 degrees, and 90 degrees
200

If angle 5 is 42 degrees, what is angle 2?

138 degrees
200
              Find the interior angles
21 degrees, 136 degrees, 23 degrees
200
x = 120 degrees
200
 Are the triangles similar?
Yes, they share 55 degree angles and vertical angles.
200
  What is angle 4?
26 degrees
300
                    Name the two pairs of alternate interior angles.
angle 3 and angle 6; angle 4 and angle 5
300
h = 92 degrees
300
 Find the missing angles.
100 degrees and 132 degrees
300
x = 2/3
300
Find the interior angle sum of a 16-gon.
2520 degrees
400
                    Name three angles that are congruent to angle 1.
Angles 4, 5, and 8
400
x = 36 degrees

y = 124 degrees

z = 20 degrees

400
Find the interior angle measure of a regular dodecagon.
150 degrees
400
              Find the height of the tree.
20 feet
400
If a regular polygon has interior angles of 168 degrees, how many sides does it have?
30 sides
500
                       and find the missing interior angle.
y = 25

116 degrees

500
                                  Find the exterior angle measure.
136 degrees
500
 Find x.
x = 20
500

A large flagpole stands outside of an office building. Marquis realizes that when he looks up from the ground, 60 m away from the flagpole, that the top of the flagpole and the top of the building line up. If the flagpole is 35 m tall, and Marquis is 170 m from the building, how tall is the building?

99.2 M
500
 Find x.
about 110 feet