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Advanced Geometry
2.8 Vertical Angles Homework
Name___________________________
Find the measure of the missing angles
C
B
D
A
1. m∠ABC = _____
40o
2. m∠CBD = _____
E
3. m∠DBE = _____
For 4 – 6: Use the figure above to answer the questions
4. Which angle forms a linear pair with ∠ABC ?
5. Which angle is a vertical angle to ∠DBE ?
6. Which angle is a vertical angle to ∠ABE ?
For 7-10: Use the figure to the right to solve
7. Find the value of x
A
(3x + 5)o C
(y + 20 )o B
E
(x + 15)o
(4y – 15 )o
D
8. Find the value of y
9. Find m∠ABC
10. Find m∠ABE
For 11 – 15: Solve for the variable(s)
11.
12.
75
105
o
(y – 12)o (6x – 32)o
o
(3y – 8)o
o
(2x – 20)o
(2x – 10)
x = __________
x = __________ y = __________
13.
14.
7xo
(4x +16)o
6xo
11yo
56o
x = __________ y = __________
2xo
yo
x = __________ y = __________
o
15.
2x
90o
yo
78o
x = __________
o
x
y = __________