Question

find each angle in this figure​

Answer 1

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Sum of angles on Point O = 360°

3y° + 3y° + $\frac{11}{2}y°$ + $\frac{7}{2}y°$ = 360°

6y + $\frac{18}{2}y°$ = 360°

6y° + 9y° = 360°

15y° = 360

y° = 24

By putting values of y we can find each angle ,

Angle AOD = 24 × 3 = 72°

Angle DOC = 24 × 3 = 72°

Angle BOC = 12 × 7 = 84°

Angle BOA = 12 × 11 = 132°

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