Question

Arcs AB and BC are of lengths in the ratio 11: 4 and O is centre of the circle. If angle BOC = 32°, angle AOB is:.

विकल्प

• 64°

• 88°

• 128°

• 132°

Answer 1

88°

Explanation:

Given,

Arcs AB and BC are of lengths in the ratio 11 : 4.

∴ ∠AOB : ∠BOC = 11 : 4

⇒ ∠AOB : 32° = 11 : 4

⇒ `(∠AOB)/(32°) = 11/4`

⇒ ∠AOB = `11/4 × 32°` = 88°