A cow is tethered to one corner of a rectangular barn, 10 feet by 20 feet, with a rope that is 80 feet long. What is the maximum
grazing area?
1 answer:
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The slide and the ladder made a right angle triangle with the ground. The angle that the slide made with the ground is labeled as 
in the diagram below. We can use the trigonometry ratio to work out the size of the angle.
8.3 is the side opposite to the angle and 14.5 is the hypotenuse. We need to use the Sin ratio
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8.3 is the side opposite to the angle and 14.5 is the hypotenuse. We need to use the Sin ratio