Question

6. In the given figure, A, B, C are 3 points on
the circumference of a circle with centre O.
Arc AB = 2 arc BC and ZAOB = 108°.
Calculate
(i) ZACB (ii) ZBOC (iii) ZOAB
140
O
B
108
B
10. Quadrilateral PQRS is inscirbe
If PS = QR, prove that PQRS is
trapezium
А​

Answer 1

please ask questions one by one

Answer 2

Answer:

ZBOC= 54°

ZOAB= 72°

ZACB=36°