Question

the radius of a semicircular plot is 7 metre what is the cost of flowering the plot at the rate of rupees 15 per metre square

Answer 1

hey the answer is .....

area of semicircle = 1/2 pi r^2

= 1/2 × 22/7 × 7 × 7

= 77m ^2


cost = 77 × 15

= $ 1155


hope it helps uu frnd

Answer 2

The cost of flowering is Rs.1155

Step-by-step explanation:

Radius of semicircle = 7  m

Area of semicircle = $\frac{1}{2} \pi r^2$

Area of semicircle =$\frac{1}{2} \times \frac{22}{7} \times 7^2$

Area of semicircle = $77 m^2$

Cost of flowering 1 sq.m.= Rs.15

Cost of flowering 77 sq.m. = $15 \times 77 =1155$

Hence  the cost of flowering is Rs.1155

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