एक चाप द्वारा केंद्र पर अंतरित कोण 80° है। उसी चाप द्वारा परिधि पर अंतरित कोण कितना होगा?
A40°
B160°
C20°
D80°
Answer & Solution
Correct answer: A. 40°
उसी चाप द्वारा केंद्र पर बना कोण, परिधि पर बने कोण का दोगुना होता है, इसलिए 80/2 = 40°।
Keep practising Geometry and Trigonometry
Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Trigonometric RatiosRRB NTPC · Triangle CentersRRB NTPC · Classify Angle TypesRRB NTPC · Match Trigonometric ValuesWhich line segment connects two points on a circle and divides it into two segments?When does the sum of two side lengths equal the third side?What total measure in degrees do the two non-right angles of a right triangle add up to?What geometric shape is the planar region bounded by two concentric circles?