Answer:
It is a right triangle
Step-by-step explanation:
Step-by-step explanation:
what was his starting balance ?
The answer is 51.3 degrees because you add 90+38.7=128.7
then you do 180-128.7 because this is a linear/ supplementary triangle which adds up to 180
and you get 51.3 degrees
Answer: 
Step-by-step explanation:
This is a multiplication problem. You are multiplying
by 4. This also means 4 divided by 3. They are both the same.