2 circles sit inside rectangle ABCD, such that

AB is tangent to both circles,

AC and CD are tangent to the larger circle

BD is tangent to the smaller circle.

Find radius r_{2}

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is there a piece of information missing? As I have tried several strategies and keep getting r = r or 4 = 4

Are you using the 12? And pythagoras…

sorry ignore my comment I think I’ve solved it !

2.14359?

Yes

I’m not seeing it

Draw a right angled triangle where the hypotenuse is the 2 radii as shown

i got 1

Is it 2cm?