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Mathematics 4 Online

OpenStudy (anonymous):

The figure shows a wheel with radius 5 cm. AB is a chord of the circle with length 8 cm. AB is produced to C such that BC=10 cm. (a) Find the distance between C and the center of the wheel. (b) What is the longest distance from C to the wheel?

13 years ago

OpenStudy (anonymous):

|dw:1355839710940:dw|

13 years ago

OpenStudy (kainui):

|dw:1355917704996:dw|

13 years ago

OpenStudy (kainui):

If you split it into triangles you can figure out everything with sines and cosines from there. I can help you out more if you need it.

13 years ago

OpenStudy (anonymous):

well, actually that's not correct. I have done it.|dw:1355917912360:dw|

13 years ago

OpenStudy (anonymous):

But thank you so much:)

13 years ago

OpenStudy (kainui):

|dw:1355918056088:dw|

13 years ago

OpenStudy (kainui):

x is the longest distance from C, but yeah I think you got it, it's really all the pythagorean theorem, I'm tired.

13 years ago

OpenStudy (anonymous):

|dw:1355918122782:dw|

13 years ago

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