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Grade: 11
        
I have a question on plane geometry. The question is attached as photo.i would be very greatful if step by step solution could be provided.
Thanking you in advance,
Ziyad
one year ago

Answers : (1)

Aditya Gupta
2016 Points
							
my answer is coming out to be r= 8/9
basically i formed two eqns (2 – r)^2= x^2+r^2
and (1+x)^2+r^2= (1+r)^2
here r is the radius of circle B and C.
let the intersection of circle B and C be called P. then the line through A s centre passing through P will also be Ds diameter. let this line intersect circle A at Q such that Q lies between P and As center. then we have taken QP=x. also radius of D is obviously 2. hence the eqns. kindly approve :)
one year ago
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