Try this solution (see the attachment, it is consists of 3 steps).
Answer:
2.33
Step-by-step explanation:
If you put the numbers into the radius formula you should end up with this number hope this helps:)
21 because a triangle is always going to equal 180 so add those then subtract and it’s 21
Answer:
Step-by-step explanation:
first you multiply 45 by .40 you multiply by .40 because that is the percent increase.
45*.40=18
then you just add the 18 to 45 which get you 63.
answer:40%