Use a calculator. The sine of 78 degrees is .98.
Equation: y = x
When x = 10, y = 10
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Answer: No, (10, 13) does not satisfy the equation y = x.
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The answer would be the Blue sector.
Because 15% of 360° is 37.2
37.2 is only 2.8 away from 40 making it the closest!
