How can you use proportions to solve problems?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d