Answer:
If both the coordinates are negative then the point lies in the third quadrant.
Explanation:
Here we are given the theorum as "If a point lies in Quadrant lll, then its coordinates are both negative."
Now in this theorum , first part is conditional statement and the second part is the conclusion of first. In order to find the converse , we make the conclusive statement as conditional statement and the conditional as conclusive.
Hence ,
Our condition earlier was, lying in the third quadrant ,
Conclusive statement was , both are negative.
Now in converse,
Conditional will be if both are negative ,
Conclusive will be , lies in the third quadrant.