Question

13. O is the centre of the circle. II ZACB 40", then
ZAOB =
С
O
40"
B
(a) 40°
(c) 80°
(b) 50°
(d) 90°​

Answer 1

.Answer:

⇒ Draw a line segment AB=4.5cm

⇒ Take B as center and draw an angle of 60

⇒ Cut off BC=5.5cm

⇒ Take A as with radius 4.8cm and draw an arc.

⇒ Take C as with radius 5cm and draw an arc, which cuts off previous arc at point D

⇒ Join CD and AD.

Step-by-step explanation:

DDU-DU DDU-DU