haJack9iemcel haJack9iemcel

13-07-2016
Mathematics

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Angle ACB is an inscribed angle of circle P. Find x if angle ACB measures x° and arc ACB measures (x + 45)° .

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meerkat18 meerkat18

17-07-2016

According to the theorem of circles, angle ACB is equal to 1/2 of the explementary angle of angle APB. The explementary angle then is 360 - (x+45) or 315 - x where x is angle ACB. Hence x = 0.5 * (315-x). x is equal to 105 degrees.

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15-04-2021

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73

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