Question

5)If in the given figure FA is perpendicular to AB and angle AFE =40 degree, find angle ECD. ​

Answer 1

Answer:

By angle sum property in triangle FAE.

90° + 40° + OF = 180°

Or, ZAEF = 50° =

2 CEB = <AEF = 50° (vertically opp. angles) =

ECD + CEB = 180°

ECD + Or, 2 0° = 180° 50 =

ZECD = 130°

Step-by-step explanation:

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