A water sprinkler sprays water over a distance of 40 feet wh

A water sprinkler sprays water over a distance of 40 feet while rotating through an angle of 155°.

What area of lawn receives water?

Type an integer or decimal rounded to two decimal places.

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Solution

given A water sprinkler sprays water over a distance of 40 feet while rotating through an angle of 155°.

r =40 ,=155°

area of the sector = (1/2)r²(/_180^o)

area of lawn receives water = (1/2)40²(155^o/_180^o)

area of lawn receives water = 2164.21 square feet