Question

Diameter of a circle if the circumference is 176mm

Answer 1

Answer:

Circumference of circle = 2 π r = 176 mm

$176 = 2 \times \frac{22}{7} \times r \\ \\ 176 = \frac{44}{7} \times r \\ \\ 1232 = 44r \\ \\ r = 28mm \\ \\ wkt \: \: \: \\ \\ diameter \: = 2 \times radius \\ i.e. \\ d = 2r \\ d = 2 \times 28 \\ \\ d = 56mm$

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