Question

circular piece of tomorrow is converted into a rhombus of side 11 centimetre find the diameter of the circular piece

Answer 1

circular piece is 4 * 11 = 44 cm long, then
44 = pi * D, where D is the diameter
D = 44 / pi
(take pi = 22 / 7) then,
D = 44 / (22/7) = (44 * 7) / 22
D = 14 cm