Construct

Construct a triangle ABC inscribed circle has a radius r = 2 cm, the angle alpha = 50 degrees = 8 cm.
Make a sketch, analysis, construction and description.

Result

a =  6.4 cm
b =  7 cm

Solution:

a=6.4=325=6.4 cma=6.4=\dfrac{ 32 }{ 5 }=6.4 \ \text{cm}
b=7 cmb=7 \ \text{cm}

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