a chord 24 inches long is 5 inches from the center of a circle, as shown below. What is the radius of the circle, to the nearest tenth of an inch? (DIAGRAM DRAWN BELOW)

Question

a chord 24 inches long is 5 inches from the center of a circle, as shown below.  What is the radius of the circle, to the nearest tenth of an inch? (DIAGRAM DRAWN BELOW)

iwanttogotostanford · Answer

|dw:1444182665406:dw|

iwanttogotostanford · Answer

@zepdrix @freckles @mathway @Nnesha

zepdrix · Answer

I assume they mean 5 inches perpendicular to the center or something like that.
We need to know that those lines form a right angle.

Anyway, this is just a simple application of the `Pythagorean Theorem` :)

zepdrix · Answer

|dw:1444182853766:dw|If the chord is length 24, what is this missing side length of the triangle?