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Question

In the figure, given below, CE is the perpendicular to AB, ACE=20 and ABD=50. Find the measure of BDA.
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A
36o
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B
60o
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C
56o
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D
none of the above
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Solution

The correct option is B 60o
In EAC,
EAC+AEC+ACE=180
EAC+90+20=180
EAC=180110
EAC=70
In ABD
Sum of angles = 180
ABD+BAD+BDA=180
50+70+BDA=180
BDA=60

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