Question

S.
Two concentric circles have radii 6 cm and 4 cm. A sector of 60° is drawn in each
circle. Find the difference between the areas of the two sectors. (use r= 3.14)
In a circle of radius 6.3 cm, an are AB subtends an angle of 90° at the centre of the
9.
circle. Find
(i) the length of the arc AB
(ii) the area of the sector AOB
(iii) the perimeter of the sector AOB
«(iv) the area of the minor segment and the major segment formed by the
chord AB​

Answer 1

Answer:

answer 1. the length of the arc AB