A circle its circumference is 75 cm calculate its surface area
1 answer:
Circumference = πDAnswer: 447.65cm²
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x ≈ 11.09
Step-by-step explanation:
Using the rule of logarithms
Given
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x + 9 = e³ ( subtract 9 from both sides )
x = e³ - 9 ≈ 11.09 ( to the nearest hundredth )
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Step-by-step explanation:
cos A = 16/20 = 4/5
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