Thenmozhi wants to level her circular flower garden whose diameter is

1.	Thenmozhi wants to level her circular flower garden whose diameter is 49 m at the rate of Rs 150 per m2. Find the cost of levelling.
Answer» Diamter of the circular garden d = 49 m Radius r = \(\frac{d}{2}\) = \(\frac{49}{2}\) m Area of the circular garden = πr² sq units = \(\frac{22}{7}\) x \(\frac{49}{2}\) x \(\frac{49}{2}\) m² = 1,886.5 m² Cost of levelling a m² area = Rs 150 ∴ Cost of levelling 1886.5 m² = Rs 150 x 1886.5 = Rs 2,82,975 Cost of levelling the flower garden = Rs 2,82,975

Thenmozhi wants to level her circular flower garden whose diameter is 49 m at the rate of Rs 150 per m2. Find the cost of levelling.

Answer»

Diamter of the circular garden d = 49 m

Radius r = \(\frac{d}{2}\)

= \(\frac{49}{2}\) m

Area of the circular garden = πr² sq units

= \(\frac{22}{7}\) x \(\frac{49}{2}\) x \(\frac{49}{2}\) m²

= 1,886.5 m²

Cost of levelling a m² area = Rs 150

∴ Cost of levelling 1886.5 m² = Rs 150 x 1886.5

= Rs 2,82,975

Cost of levelling the flower garden = Rs 2,82,975