Euclid 5

Calculate the length of remain sides of a right triangle ABC if a = 7 cm and height vc = 5 cm.

Correct result:

b =  7.14 cm
c =  10 cm

Solution:

c=c1+c2 c12=a2−v2 c1=72−52=4.9 cm v2=c1c2 c2=v2/c1=52/4.9=5.1 cm  c=c1+c2=10 cm  c2=a2+b2 b=c2−a2=7.14 cm

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