The largest square that can be drawn in a circle has a side whose length is 0.707 times the diameter of the circle. By this rule, find the length of the side of such a square when the diameter of the circle is:

a) 14.35 cm

b) 8.63 cm

Anvi is making bookmarker like the one shown in Fig. 2.6. How many bookmarker can she make from a 15 m long ribbon?

A rule for finding the approximate length of diagonal of a square is to multiply the length of a side of the square by 1.414. Find the length of the diagonal when :

a) The length of a side of the square is 8.3 cm.

b) The length of a side of the square is exactly 7.875 cm.

To find the distance around a circular disc, multiply the diameter of the disc by 3.14. What is the distance around the disc when :

a) the diameter is 18.7 cm?

b) the radius is 6.45 cm?

What is the cost of 27.5 m of cloth at 53.50 per metre?