Posted by **Jenny** on Friday, January 14, 2011 at 9:04pm.

A spotlight is attached to the ceiling 2 feet from one wall of a room and 3 feet from the wall adjacent. How many feet is it from the intersection of the two walls?

a. 4

b. 5

c. 3 square root of 2

d. square root of 13

e. 2 square root of 3

- math -
**helper**, Friday, January 14, 2011 at 9:18pm
if you can picture this, it forms a rt triangle with the shortest leg 2, the longer leg 3, and you are looking for the hypotenuse.

So, h^2 = 2^2 + 3^3

h^2 = 4 + 9

h^2 = 13

h = sqrt 13

- math -
**Jenny**, Friday, January 14, 2011 at 9:28pm
Thank you!

- math -
**helper**, Friday, January 14, 2011 at 9:43pm
you're welcome

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