4th ques

Asked by lovemaan5500 | 26th Dec, 2017, 12:36: PM

Expert Answer:

begin mathsize 16px style PQ equals PR
so
arc space PQ equals space arc space PR
also
PS equals PT
arc space PS equals space arc space PT
arc space PQS equals arc space PRT
arc space PQ space plus space arc space QS equals space arc space PR plus space arc space RT
arc space QS equals space arc space RT............ open parentheses arc space PQ equals space arc space PR close parentheses
arc space QS equals space arc space RT
we space can space say space QR space parallel space to space ST
so space
angle MST plus angle TSN equals 180 degree.... interior space angles
angle TSN equals angle STN
angle MST plus angle STN equals 180 degree
hence space cyclic end style

Answered by Arun | 27th Dec, 2017, 12:12: PM