The circumference of a circular field is 308 m.
(i) find its diameter and radius .
(ii) find the cost of paving stones all over it at Rs. 70 per sq. m.
Answers
Answered by
2
Step-by-step explanation:
2πr = 308
2(22/7)r = 308
r = (308/2)*(7/22)
r = 49m
radius is 49 m
diameter is 98 m
(22/7)*49*49
22*7*49
= 7546 m²
2πr = Circumference of a circle
πr² = Area of a circle
7546*70
= Rs. 528220
Similar questions