Question

please answer both.. .............it's urgent​

Answer 1

Step-by-step explanation:

From the given figure

O is the centre of the circle

and OB=3.5 cm

here OA and OB are the radii of the circle

=>OA=OB =3.5cm

We know that

the longest of all chords in a circle is the diameter

=>diameter=2 ×radius

=>Diameter=2×3.5

=>Diameter=7cm

The longest chord=7cm

Answer 2

Answer:

Step-by-step explanation:

The largest cord of any circle is diametre

Diametre =2×radius=2*3.5=7cm

Hit a thanks pls