Please solve question no 4 with proper explanation 

Asked by adityaahuja099 | 26th Nov, 2017, 03:37: PM

Expert Answer:

begin mathsize 16px style angle BOQ equals 90 degree....... BA space diameter
now angle BOQ equals 2 angle SPQ.... angle space by space arc space on space center space and space circle
angle SPQ equals 45 degree
now space square PQRS space cylic
angle SPQ plus angle QRS equals 180 degree
angle QRS equals 135 degree end style

Answered by Arun | 26th Nov, 2017, 08:50: PM