5.21 would just be 5 or 5.2 depending on what place you need to round.
Answer:
A. 8π / 3
Step-by-step explanation:
Answer:
x=5
Step-by-step explanation:
The angles of a trangle have to add up to 180 degrees. With that information, we can create an equation:
27+98+(10x+5)=180
125+10x+5=180
130+10x=180
-130 -130
______________
10x=50
/10 /10
x=5