Q. 525.0( 1 Vote )

# In the adjoining figure, y = ?A. 36°B. 54°C. 63°D. 72°

x + y + 90 = 180 (sum of angles on a straight line)

x + y = 90 ………………….(i)

3x + 72 = 180 (sum of angles on a straight line)

3x = 108

x = 108/3 =36O

Putting this value in eq (i), we get

x + y = 90

36 + y = 90

Y = 90 – 36 = 54O

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Lines and Angles40 mins
Quiz | Lines and Angles43 mins
Lines and Angles45 mins
Quiz | Lines and Angles45 mins
NCERT | Angle Sum Property44 mins
Smart Revision | All Types of Angles31 mins
Bonus Questions on Lines and Angles42 mins
NCERT | Intersecting and Non Intersecting lines)41 mins
NCERT | Discussion on Lines And Angles45 mins
NCERT | Lines and Angles Part - 142 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses