Question

"the rays coming from an extreme ends of an object from an angle at the eye", can you define that angle​

Answer 1

Answer:

OD=3 cm

AB=8 cm

Radius =OB

In △OBD

OB

2

=BD

2

+OD

2

⟹OB

2

=4

2

+3

2

⟹OB=5 cm

Radius=5 cm