Question

The number of obtuse angles in the following figure is ______.

विकल्प

• 2

• 3

• 4

• 5

Answer 1

The number of obtuse angles in the following 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.