Right trapezoid

The right trapezoid has bases 3.2 cm and 62 mm long. The shorter leg has a length 0.25 dm. Calculate the lengths of the diagonals and the second leg.

Correct result:

u1 =  6.6851 cm
u2 =  4.0608 cm
b =  3.9051 cm

Solution:

a=62 mm→ cm=62/10  cm=6.2 cm c=3.2 cm d=0.25 dm→ cm=0.25⋅ 10  cm=2.5 cm  u12=d2+a2 u1=d2+a2=2.52+6.22=6.6851 cm
u22=d2+c2 u2=d2+c2=2.52+3.22=4.0608 cm
b2=d2+(a−c)2 b=d2+(a−c)2=2.52+(6.2−3.2)2=3.9051 cm

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