A water sprinkler has a range of 5 meters as shown. The jet of water from the sprinkler sweeps out at an angle of 85° as the noz
zle turns. What is the area watered by the sprinkler? Use the value `pi` = 3.14, and round your answer to one decimal place.
1 answer:
<u>Answer</u>
18.5 m²
<u>Explanation</u>
The figure is a sector of angle 85° and of radius 5 m.
The area = θ/360 × π × r²
= 85/360 × 3.14 × 5²
= 18.5347
The answer to one decimal place is 18.5 m²
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