Median

In triangle ABC is given side a=10 cm and median ta= 13 cm and angle gamma 90°.

Calculate length of the median tb.

Correct result:

tb =  11.66 cm

Solution:

b2=ta2(a/2)2 b=132(10/2)2=12 cm  tb2=a2+(b/2)2 tb=102+(12/2)2=11.66 cm

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