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प्रश्न
The number of obtuse angles in figure is ______.
विकल्प
2
3
4
5
उत्तर
The number of obtuse angles in figure is 4.
Explanation:
The obtuse angles formed in the given figure are
∠AOD = 20° + 45° + 65° = 130°
∠BOD = 45° + 65° = 110°
∠COE = 65° + 30° = 95°
And ∠BOE = 45° + 65° + 30° = 140°
Thus, there are total 4 obtuse angles formed.
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