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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 = __________