Question

AOB is a line; OC and OD are the two rays standing on it where OD is between OA and OC. If ∠AOD=5y, ∠DOC=3y and ∠COB=2y, then the measures of these angles are respectively.

1 point

a) 36°, 54°,90°

b) 36°, 90°, 54°

c) 90°, 36°, 54°

d) 90°, 54°, 36°

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Answer 1

Here is your answer

5y + 3y + 2y = 180°

10y = 180°

y = 180°/10

y = 18°

5y = 5 × 18° = 90°

3y = 3 × 18° = 54°

2y = 2 × 18° = 36°

Option (d) is the correct answer

So this is your answer

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