Find the length of the other diagonal and area of the rhombus.

The perimeter of a rhombus is 40 cm and one of the diagonals is of length 10 cm.

Correct result:

d2 =  17.32 cm
S =  86.6 cm2


p=2d12+d22 40=2102+d22 d2=4024102=17.32 cm
S=d1d22=86.6 cm2

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