Diagonals

A diagonal of a rhombus is 20 cm long. If it's one side is 26 cm find the length of the other diagonal.

Correct result:

u =  48 cm

Solution:

a=26 v=20 a2=(u/2)2+(v/2)2 u=2⋅ a2−(v/2)2=2⋅ 262−(20/2)2=48 cm

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