BRAINLY AND 100 POINTSIn the figure below, angle y and angle x form vertical angles. Angle x forms a straight line with the 50°
angle and the 40° angle.
Write and solve an equation to determine the measure of angle y.
Write and solve an equation to determine the measure of angle y.
1 answer:
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Answer:
DC = 3
Step-by-step explanation:
Based on triangle similarity theorem, we would have the following equation:
Plug in the values
Cross multiply
3(9 + DC) = 9×4
27 + 3DC = 36
Subtract 27 from each side
3DC = 36 - 27
3DC = 9
Divide both sides by 3
DC = 9/3
DC = 3