November 2018 2 66 Report
Tolong sapapun gak ngerti sama skaliii DDD': Caranya gimanaaa

The figure below shows an ancient coin which was once used in China. The coin is in the shape of a circle of radius 3 cm with a square of sides x cm removed from its centre. The area of each face of the coin is 7 \pi cm2.
(i) Form an equation in x and show that it reduces to 2\picm2.
(ii) Solve the equation 2\picm2.
(iii)Find the perimeter of the square.

Dari kunci jawaban di buku, no (i) ga dijawab, no. (ii) +- 2.51 no (iii) 10.0 cm

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