Math, asked by Farhan102938, 1 year ago

triangle
find the unknown marked angle in the given figure.

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Answers

Answered by Sam2292
1
See this ...
a= 62°
Plss mark as Branliest..
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Answered by suthardeep
1
let in triangle ABC ,d is in the exterior of the triangle.(assume)
angle BAD=135
therefore ,=180-angle BAD(LINEAR PAIR)
=180-135
=45.
THEREFORE
ANGLE A+ANGLE B+ANGLE C=180
45+A+73=180
118+A=180
A=180-118
A=62
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