Question

3.
its urgent.
please answer with full explanation.
In the given figure, OA and OB are respectively
perpendiculars to chords CD and EF of the circle,
whose centre is O. If OA = OB, then prove that
CE DF
AXB​​

Answer 1

Answer:

triangle is of 180*

Step-by-step explanation:

we know that circle is of 360 degree

there are 4 quadrants

each of 90 degree

from angle sum angle property we conclude that

ce= df both 90 degree.