If four coordinates are given then:-
- Find length of the sides using distance formula

- Now break down into two triangles .
- Use herons formula and find areas of the triangles .add them and get the area
One cookie because 4 - 3 = 1
Answer:
easy
Step-by-step explanation:oklook
D) attached is a picture, I would’ve typed it out but I can’t use the square root symbol