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According to the image below, what is the measure (in degrees) of angle ABC?

+2 votes
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According to the image below, what is the measure (in degrees) of angle ABC?

According to the image below, what is the measure (in degrees) of angle ABC

posted Sep 13, 2015 by anonymous

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4 Answers

+3 votes
 
Best answer

Yes Its 19, I also got 19 following is the working

Angle in the image

answer Sep 14, 2015 by Salil Agrawal
+2 votes

The measure of angle is 19°

answer Sep 14, 2015 by Cedric Grigory
What is the logic
0 votes

90°
The exterior angles given at the upper triangle is on a straight line. Thus, it leads to the base and vertex angle. The vertex of the upper triangle and the middle bottom triangle are vertical angles. Thus, equals each other. Exterior angle D is on a straight line so, interior is solved. Then you can say opposite angles equals exterior angle or still use the sum of angles of a triangle to get your answer.
Any simpler form?

answer Sep 14, 2015 by Yusuf Abioye
0 votes

Yes, 19 degrees:
Assuming all angle calculations are correct from "Best Answer", then angle C is 121. And 121 + 40 = 161. Thus 180 -161 = 19 degrees.

answer Oct 9, 2016 by George Davros
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