If ' ' m geometric means are inserted between 4 and 1024 such that the ratio of
( 3)
th
m − mean to the 4th mean is 16 : 1, then find the value of m .
Answers
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Step-by-step explanation:
Diameter
=
35mm
∴ Circumference of circle
=
2×
π×
17.5=
110mm
= 2× π× r
i) The total length of the silver wire required
=Circumference of circle+
(5×
35)
=
110+
175
=285mm
(ii) The area of each sector of the brooch
=
10
Area of circle
=
10
π×17.5×17.5
=
4
385
mm
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