The radius of a circle is 6cm and the area of a sector of this circle is 18 is to 6/7 cm. what is the angle of the sector.
Answers
Answered by
1
radius = 6 cm
area = 22/7 × 6 × 6
area = 132 × 6/7
area = 792/7
area of a sector
= 18 : 6/7
= 18/6/7
= 18 × 7/6
= 21
792/7 cm^2 = 360 degree
21 cm^2 = ? degree
(21 × 360/792/7 )degree
(21 × 360 × 7/792)degree
(147/2.2)degree
Similar questions