Answer:
320
Step-by-step explanation:
I attached my work, for coming questions that is the formula
10 = base length
8 = base width
12 = pyramid height
Answer: The answer is 25
Step-by-step explanation:
First, You would add the two numbers together, which you get 155
Then, the degrees of a triangle is equal to 180. So you would subtract 155 from 189, and you should get 55.
Hope this helps :3
Beacuse there are more negatives than positive. 3-2=1 just put negatives with it.