please help me...........
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As you know the full circumference of circle is 360 deg.
that is 2πr = 360
using unitery method, 10.5 cm will extend x deg.
x= 360*10.5/(2πr)
this will give you angle of the sector which then can be used to calculate the area
that is 2πr = 360
using unitery method, 10.5 cm will extend x deg.
x= 360*10.5/(2πr)
this will give you angle of the sector which then can be used to calculate the area
jayashree7:
Thanks
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