The greatest common factor of 21 and 40 is 1
16*8=128 and 128*12= is 1,536
A similar because all triangles add up to 180 ,
they both have 80 so leaves 100 degrees left..
and they both have the same #'s 80, 60, & 40 degrees equal to 180 degrees
Here is your answer click the file
Answer:
5400
Step-by-step explanation:
look at the photo it shows the problems that