Question

11. In the given figure, O is the centre of the circle and
AB is a straight line, then ACDO is always alan
B
3.
D
20°
O
20°
30°
A
4.
(1) Equilateral triangle
(2) Isosceles triangle
(3) Right triangle
(4) Isosceles right triangle
pls answer with explanation​

Answer 1

Answer:

it's an isosceles triangle

Step-by-step explanation:

because in an isosceles triangle two sides are equal and 3rd side is not equal,

hope it helps :)