In order to construct the interior point of ∠CAB for the angle bisector, where should you place the compass point?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.

Suppose that triangle a shown on the grid is translated 3 units to the right and 2 units up to create a triangle a', what is the slope of the hypotenuse of triangle a'?