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Mathematics 15 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

use the formula, insrcibed angle = arc/2

ganeshie8 (ganeshie8):

=> \(x = \frac{x+45}{2}\)

ganeshie8 (ganeshie8):

solve for x

OpenStudy (anonymous):

thats for arc ab not acb

ganeshie8 (ganeshie8):

ohh .... good catch :)

ganeshie8 (ganeshie8):

so for arc AB, you just subtract AB from (x+45) ?

OpenStudy (anonymous):

360-2x=x+45

ganeshie8 (ganeshie8):

AB = 360 - (x+45) = 315-x so the equation becomes \(x = \frac{315-x}{2}\)

ganeshie8 (ganeshie8):

@mandonut am i right ..

OpenStudy (anonymous):

so whats the answer on this !? help :(

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