Question

the radius of a garden is 4.2 m the cost of wiring its circumfrence is rs12

Answer 1

$\huge{\mathfrak{\purple{Question}}}$

The radius of a garden is 4.2 m the cost of wiring its circumference is rs12

Answer:

4.2 km =4.2×1000m=4200m

circumference=2(pi)×R

= 2 * 22/7 * 4200

= 26400m

= 26400×15 paisa

= 396000 paisa

= 396000÷Rs100

Rs3960

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