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Problem
#PRU-57368
Problems
Geometry
Plane geometry
Geometrical inequalities
Quadrilaterals (inequalities)
13–14
2.0
Problem
In the quadrilateral
A
B
C
D
, the angles
A
and
B
are equal, and
∠
D
>
∠
C
. Prove that
A
D
<
B
C
.
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