Question

a circle has the radius 9 cm .Find the length of longest chord of the circle






please answer quickly​

Answer 1

Given:

A circle has the radius 9 cm.

To find :

The length of longest chord of the circle.

Solution:

The length of longest chord of the circle is its diameter.

Therefore,

Diameter of a circle = 2 × Radius of the circle

Here, the radius of the circle is 9cm.

Diameter of a circle = 2 × 9

Diameter of a circle = 18cm

The length of longest chord of the circle = 18cm

Final answer:

The length of longest chord of the circle with radius as 9cm  is 18cm.