Answer:
C
Step-by-step explanation:
40 x 80 = 3200
120 x 100 = 12000
3200 + 12000 = 15200
14+m=56
m=56-14(minus 56 from both side)
M=42
Use the cosine function.
cos x = 2/12
cos x = 0.167
use the inverse of cosine:
x = 80.405
The answer is C.
Hope this helps :)
Just find the volume of a triangular prism.
volume=1/2*length*width*height.
Multiples of 10.
Is that what you are asking?
