This can vary, some shapes have different area formulas, here are some basic formulas I can give you:
Circle: A =


Triangle: A =

Square: A =

Rectangle: A = L*W
Answer:
37
Step-by-step explanation:
45+98+x=180
10.28 , 28 cm in meters is 0.28. you have 10 meters therefore 10+.28= 10.28
The slope is 15/4
(up 15, over 4)
or up 3.75, over 1 if you reduce