Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size...

Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size angle x and given RST = 60^o

If RST = 60^o
RXT = 2 × RST
(angle at the centre twice angle at the circumference)
RXT = 2 × 60
= 120^o

There is an explanation video available below.

Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size…