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Mathematics 12 Online
OpenStudy (anonymous):

A footbridge is in the shape of an arc of a circle. The bridge is 10 ft tall and 24 ft wide. What is the radius of the circle that contains the bridge?

geerky42 (geerky42):

|dw:1402375369676:dw|

geerky42 (geerky42):

|dw:1402375530320:dw||dw:1402375571277:dw|Using pythagorean theorem, you get \((r-10)^2+12^2=r^2\). Now you can solve for r.

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