How can I forget my first love because I didn't get my first love and I don't want to be depressed​

The area of a circle is equal to 1 dm². find the radius of the circle.

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates

Can someone show me step by step how to do this?