You subtract 38.75 from 46.5, which is 7.75. 7.75/46.5=about .16666, or 16.7 percent.
Standard form is the literal standard form you write numbers in, so it would be 600,020. Hope this helps!
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Formula
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Circumference = πD
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Find Diameter
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3600π = πD
D = 3600 ← Divide by π on both sides
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Answer: Diameter = 3600 unit
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Tan inverse 3/5 is 30.96
so the answer is x = 31.0
