DIRECTIONS: Read the following passages and answer the questions that follow. PASSAGE - 2 Area of the path enclosed between two concentric circles of radii R, r is \[1420c{{m}^{2}}\] and area of sector of a circle with sector angle \[1410c{{m}^{2}}\][r = radius of the circle] The areas of two concentric circles are \[8270{{m}^{2}}\] and \[8370{{m}^{2}}\]respectively Then the width of the ring is

DIRECTIONS: Read the following passages and answer the questions that

1.	DIRECTIONS: Read the following passages and answer the questions that follow. PASSAGE - 2 Area of the path enclosed between two concentric circles of radii R, r is \[1420c{{m}^{2}}\] and area of sector of a circle with sector angle \[1410c{{m}^{2}}\][r = radius of the circle] The areas of two concentric circles are \[8270{{m}^{2}}\] and \[8370{{m}^{2}}\]respectively Then the width of the ring is
A.	2.5 cm
B.	2.8cm
C.	3.5cm
D.	3.7cm
Answer» D. 3.7cm