SOLUTION: Two circles with center A and B are tangent to each other and both tangent to the x axis in the xy coordinate place. If circle A has a radius of 1 and circle B has a radius of 4, w

Question 1089601: Two circles with center A and B are tangent to each other and both tangent to the x axis in the xy coordinate place. If circle A has a radius of 1 and circle B has a radius of 4, what's the slope of the segment that connects both center?
Answer by ikleyn(52858) (Show Source): You can put this solution on YOUR website!
.

Make a sketch.

Find and draw a right angled triangle in your sketch.


(1 + 4) = 5 is the length of the hypotenuse of the right-angled triangle.

(4 - 1) = 3 is the length of the vertical leg.

You need to find the length of the horizontal leg.


The slope is  =  =  =  =  = .

Solved.

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