Question

The
________ is the longest chord of a circle.​

Answer 1

Answer:

The _diameter_ is the longest chord of a circle.​

Step-by-step explanation:

In circle, a chord that passes through a center is called a diameter.

And is the longest chord.

Hope it helps...

Answer 2

Answer:

Diameter

Step-by-step explanation:

Proof that the Longest chord of a circle is its Diameter:

Draw circle O and any chord AB on it.

From one endpoint of the chord, say A, draw a line segment through the centre. ...

Now draw a radius from centre O to B.

By the triangle inequality, AB < AO + OB = r + r = 2r = d.

A chord that passes through the center of a circle is called a diameter and is the longest chord