Question

please give me correct answer​

Answer 1

Answer:

1) curved surface area = 2πrh = 2×22/7×84/2×120 cm² = 3168cm².

2) total surface area = 2πrh + 2πr² = 2πr(h+r)

3) area of playground = 3168×500 cm² = 1584000 cm² = 158.4 m²

4) cost = Rs 158.4 × 5 = Rs 792

5) area of revolution = 3500/500 m² = 7m²

Answer 2

Answer:

I hope it will be helpful for you