Trigonometry Question
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Grade 11 Trigonometry CCSS: HSG-SRT.D.11
In trapezoid ABCD, AB=3.8 mm, BC=3 mm, CD=4.5 mm, and AD=7.7 mm. If ∠ABC and ∠CDA are supplementary, what is the measure of ∠ABC, rounded to the nearest tenth of a degree?
- 127.5°
- 134.0°
- 167.6°
- Not enough information.