A brooch is made with silver wire in the form of a circle with diameter 35mm. The wire is also used in making 5 diameter wgich divide a cicle into 10 equal sector as shown in fig. 12.12 :
(i) the total lenght of the silver wire required
(ii) the area of each sector of the brooch
Answers
Answered by
3
Hope it helps
Given,
Diameter = d = 35mm
Radius of the circle =r=
Circumference of brooch = 2πr
= 2*22/7*35/2
= 110mm
Length of wire required = 110 + 5 x 35
= 110 + 175
285mm
Similar questions