Answer:
the answer is D, because 30/2 is 15.
Answer:
lo que sea me lo pones en español plis yo te aydo
Step-by-step explanation:
Because it is much easier to identify the place values when multiplying numbers. You can immediately sight the numbers to be multipied.
An example
10
x 5
___
0
Then
5 -0= 50
That is a 180 degree angle (the straight line) and one angle is 78, so you subtract 78 from 180
So the angle would be 102 degrees
