Question

Let P₁ , P₂ , P₃ , P₄ , P₅ be five equally spaced points on the circumfercence of a circle of radius 1, centred at O. Let R be the set of point in the plane of the circle that are closer to O than any of P₁ , P₂ , P₃ , P₄ , P₅ Then R is a 

(A) circular region 

(B) rectangular region 

(C) pentagonal region 

(D) oval region that is not circular

Answer 1

Correct option: (C) pentagonal region

Explanation:

Points which are equidistant from O and P₁ lies on perpendicular bisector of OP₁