Question

A, B, C, D, E and F are points on a circle. Put crosses on the ends of the line that is a diameter of the circle. ​

Answer 1

The line from point F to point C shows the diameter.

Explanation:

The diameter of a circle is the measure from one side of it to the other, but it must run directly through the middle. The only line the runs directly through the middle of this circle is line FC, the line that goes from point F to point C.

I hope this helps!