In the diagram above WXYZ is a rhombus and WYX ... - WAEC Mathematics 1990 Question
In the diagram above, WXYZ is a rhombus and ∠WYX = 20°. What is the value of ∠XZY
A
20o
B
30o
C
45o
D
60o
correct option: e
Diagonals bisect at 90°; < YXZ = 90° - 20° = 70°
But ZY = XY (sides of a rhombus)
\(\therefore\) < XYZ = 70° (base angle of an isos. triangle)
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