Question

2) The radius of a circular plot is 15.4 metres. Ilow much will it cost lo lence
the plot with
4 rounds of wire at the rate of 60 rupees per metre?
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Answer 1

Answer:

96.8m

Step-by-step explanation:

radius equals 15.4m

perimeter of circle = 2pie r

=2×22×15.4

7

= 96.8m

Answer 2

Answer:

₹19,632

Step-by-step explanation:

Radius=15.4m

Circumference= 2πr

=2×22/7×15.4

= 2×22/7×154/10

= 2×22×22/10

= 2×484/10

= 968/10

=96.8m

Rate= 60rs/m

Cost= rate× circumference

= 60× 96.8

= ₹4908

Cost of 4 rounds= ₹4908×4= ₹19,632

₹19,632