Advertisements
Advertisements
प्रश्न
3(Arc BC) = Arc AB, ∠AOB = 120°, ∠BOC =
पर्याय
60°
50°
45°
40°
MCQ
Advertisements
उत्तर
40°
Explanation:
From the given condition, 3(Arc BC) = Arc AB and ∠AOB = 120°:
1. Relationship between arcs and angles at the centre:
The angle subtended by an arc at the centre equals the measure of that arc.
So, Arc AB = 120°
And `Arc BC = ("Arc" AB)/3`
= `120^circ/3`
= 40°
2. Finding ∠BOC:
Arc BC subtends ∠BOC at the centre, so:
∠BOC = Arc BC = 40°
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
