Chord of triangle

If the whole chord of the triangle is 14.4 cm long, how do you calculate the shorter and longer part?

Correct result:

a =  4.8 cm
b =  9.6 cm


t=14.4 cm a:b=1:2 a+b=t  a=11+2 t=11+2 14.4=245=245 cm=4.8 cm
b=21+2 t=21+2 14.4=485=485 cm=9.6 cm

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