Rhombus 29

One of the diagonals of a rhombus is equal to a side of the rhombus. Find the angles of the rhombus.

Correct result:

A =  120 °
B =  60 °
C =  120 °
D =  60 °

Solution:

a=u a=b=c=d SSS:a,u,b U=180/3=60∘ A=2⋅ U=2⋅ 60=120∘
B=U=60=60∘
C=A=120=120∘
D=B=60=60∘

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