a chord of length 30cm is drawn at a distance of 8cm from the centre of a circle . find out the radius of the circle.
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Therefore, the radius of the circle is 17cm.
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power
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In physics, power is the rate of doing work. It is the amount of energy consumed per unit time. The unit of power is the joule per second (J/s), known as the watt (in honor of James Watt, the eighteenth-century developer of the steam engine).
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