For numbers 15 17, given the following information, determine which lines, if any, are parallel. State the postulate or – theorem that justifies your answer. 15. ≅ 16. ≅ 17. + = 180 18. Find the of so that x a b. ║ 19. Construct a line perpendicular to through 5). Then find the distance B(–2, ℓ from to B ℓ.
For numbers 15 – 17, given the following information, determine which lines, if any, are parallel. State the postulate or theorem that justifies your answer. 15. ≅ 16. ≅ 17. + = 180 18. Find the of x so that a ║ b. 19. Construct a line perpendicular to ℓ through B(–2, 5). Then find the distance from B to ℓ.
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