Answer:
You might be trying to figure out how many square feet are in a room so you can buy the right amount of paint or flooring, or maybe you're doing ... If you need the total square footage of the walls - for figuring paint or wallpaper for example ... •Area of a circle: The formula for this is: pi x radius2 (pi = 3.1416).
Step-by-step explanation:
Answer:
1 . 16
2 . 4
3 . 64
4 . -4
The fourth one goes first and then the second one and then the first one and then the third one.
AB is 6
BC is 4
CD is 6
DA is 8
A is 45degrees
B is 130dgrees
C is 130degrees
D is 45degrees (about)