Radius of the circular ground is $10.5 m$ . What is the cost(in Rs) to fill up this ground with soil at the rate of $R s . 150$ per sq m?

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Solution

Given: Radius of circular ground $(r) = 10.5 m$
Cost of filling up soil $= R s . 150$ per $s q . m$ .
Therefore, Total cost of filling $= R s . 150 \times π r^{2}$
$= R s . [150 \times \frac{22}{7} \times (10.5)^{2}]$
$= R s . 51975$

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Radius of the circular ground is 10.5 m. What is the cost(in Rs) to fill up this ground with soil at the rate of Rs.150 per sq m?

Given: Radius of circular ground (r)=10.5 mCost of filling up soil =Rs. 150 per sq.m.Therefore, Total cost of filling =Rs. 150×πr2=Rs. [150×227×(10.5)2]=Rs. 51975

Radius of the circular ground is $10.5 m$ . What is the cost(in Rs) to fill up this ground with soil at the rate of $R s . 150$ per sq m?

Given: Radius of circular ground $(r) = 10.5 m$
Cost of filling up soil $= R s . 150$ per $s q . m$ .
Therefore, Total cost of filling $= R s . 150 \times π r^{2}$
$= R s . [150 \times \frac{22}{7} \times (10.5)^{2}]$
$= R s . 51975$