CBSE Class 10 Answered
In
a circle of radius 21 cm, an arc subtends an angle of 60o at the
centre. Find: (i) the length of the arc (ii) area of the sector formed by the
arc.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Radius = 21 cm
The arc subtends an angle of 60o at the centre.
(i) l =
(ii)
= 231 cm2
Answered by | 04 Jun, 2014, 03:23: PM
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