Question

A brooch is made with silver wire in the form of a circle with diameter 35mm. the wire also used in making 5 diameter which divide the circle into 10 equal sectors. find the total length of the silver wire required. please don't miss any step

Answer 1

length of diameter = 35*10=350mm.

angle of each sector = 360/10=36°

circumference of brooch = 36/360*2*22/7*35/2=11mm

total silver wire used = 350+11=367mm