A sector has angle 90° and radius 14 cm. Using pi = 22/7, what is its area?
A124 sq cm
B154 sq cm
C77 sq cm
D308 sq cm
Answer & Solution
Correct answer: B. 154 sq cm
A quarter of the full circle area 616 gives 154 square centimetres.
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?