Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In quadrilateral
W
X
Y
Z
WXYZ
W
X
Y
Z
, it is given that
∠
W
=
∠
Y
\angle W = \angle Y
∠
W
=
∠
Y
and
∠
X
=
∠
Z
\angle X = \angle Z
∠
X
=
∠
Z
. Explain why
W
X
Y
Z
WXYZ
W
X
Y
Z
must be a parallelogram.
Browse the problem library