Explanation:
Since the angle measure of a full circle is 360 degrees, find 0.75 of 360.
The measure of the angle the sprinkler turns through is 270 degrees.
Another way to do this would be to take 1/4 of a circle, 90 degrees, and multiply it by 3!
Answer:
270 degrees because 1/4 of a circle is 90 degrees
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