Question

6. Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m.
Find the length of the lace required and also find its cost if one meter of the lace costs
15. (Take = 3.14)​

Answer 1

circumference =πd=1.5πm

length of lace required = circumference of circle

=1.5×3.14=4.71m

length of lace required =4.71m

one meter of lace =Rs.15

4.71m lace =?

4.71×15 /1

​=Rs.70.65

It costs 70.65Rs. to buy 4.71m of lace

Answer 2

Answer:

Diameter of the table cover = 1.5 m

∴ Radius = 1.5 / 2 = 0.75 m

∴ Length of the lace = 2πr = 2 × 3.14 × 0.75

= 4.710 m

Cost of the lace = ₹ 15 × 4.710 = ₹ 70.65

Step-by-step explanation:

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