If Lines AB||CD, then e = ?
Correct answer: B. 111
- A. 83
- B. 111
- C. 69
- D. None
Explanation
When two lines, such as AB and CD, are parallel, and a transversal crosses them, the angles on the same side of the transversal are supplementary. This means their measures add up to 180°. Given one angle is 69°, the supplementary angle, denoted as e, is calculated as 180° - 69° = 111°. Therefore, e = 111° is the correct answer. Option A and C provide incorrect values, and Option D is invalid as Option B already provides the correct answer.
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Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.
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