The area is 84.
What I do it cut the polygon into something easier like a square and rectangle.
Rectangle: 6•12=72
Square: 4•3=12
Add them together and you have 84
Answer:
i thought i new that one but i dont sorry
Step-by-step explanation:
The elephant that weighs 2.85 tons
Answer:
3n^2+-3
Step-by-step explanation:
nxn +nx(-1) +3xn+ 3x(-1)