Geometry CC
Assignment #6
Exterior Angle Theorem
Review: Isosceles and Equilateral Triangles
1 – 8: Solve for x. Show all work.
1.
2.
3.
4.
5.
6.
7.
Solve for H .
9.
In ABC , with AC extended to D,
mBCD  130 and mB  20 .
What is mA ?
8.
Solve for YDC .
R1. In RST , S is a right angle. The exterior angle at vertex S is
a) right
b) acute
c) obtuse
d)
straight
R2. Simplify: 5 20  2 45
R3. Factor: 2m2  11m  9
R4. Factor: 5x 2  25x
1.
2.
3.
4.
5.
70
65
120
12
4
6.
7.
8.
9.
3
38
140
110
R1. a
R2. 4 5
R3. m  12m  9
R4. 5x  x  5 