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Byju's Answer
Standard IX
Mathematics
Introduction to Quadrilaterals
In the given ...
Question
In the given figure, sides AB and AD of quad. ABCD are produced to E and F respectively. If
∠CBE = 100°, then ∠CDE = ?
(a) 100°
(
b
) 80°
(
c
) 130°
(d) 90°