Question

a
An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to
irrigate agricultural crops, lawns, landscapes, golf courses, and other areas. Irrigation sprinklers can
be used for residential, industrial, and agricultural usage. It is useful on uneven land where sufficient
water is not available as well as on sandy soil. A water sprinkler is set to shoot a stream of water a
distance of 21 m and rotate through an angle of 800.
Figure1
1
33. What is the area of the lawn it waters?
(a) 308 m2
(b) 290 m2 (c) 270 m2
(d) 378 m2
34. For r = 28 m, what angle is required to water equal to previous area?
(a) 45°
(b) 25°
(c) 55°
(d) 35°

Answer 1

Answer:

33.a

34.a this is your answer