RT sides

Find the sides of a rectangular triangle if legs a + b = 17cm and the radius of the written circle ρ = 2cm.

Correct result:

c =  13 cm
a =  12 cm
b =  5 cm


a+b=17 r=2 cm  r=a+bc2  a+b=c+2r  c=172 r=172 2=13 cm
a2+b2=c2 a2+(17a)2=132  122+(1712)2=132  a=a1=12=12 cm

Our quadratic equation calculator calculates it.

b=17a=1712=5 cm

Try calculation via our triangle calculator.

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