10 th class question
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Answer:þradius = 110
Circumference = 2πr
Here,
Circumference = 2(22/7) × 110
Circumference = 691.43 cm [approx]
××××××××××××××××××××××××
Time = 2 minutes = 120 seconds
Speed = distance/time
Here,
Speed = 691.43/120 => 5.77 cm/sec
I hope this will help you
Read more on Brainly.in - https://brainly.in/question/3835898#readmore
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amitvikram1:
i will report it
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Answer:
The answer is (c) (x^2 - 1)/2x
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Amit, I'm assuming that you are clear with the concepts of trigonometry
And with this assumption, I've solved this question (without giving the introduction of trigonometry). If you have any doubt, please feel free to ask.
Aditya (^_^)
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