Question

find out magnitude of following number by using si prefix 8.85pm​

Answer 1

Answer:

the circle. Let P and Q be the point of contact and POQ be a line segment.

Construction: Join OP and OQ where O is the centre of a circle.

Proof: OQ ⊥CD and OP ⊥ AB.

Since AB CD, OP OQ.

As OP and OQ pass through O,

Hence, POQ is a straight line which passes through the centre of a circle.