don't understand your question
You have to post the question but all angles in a triangle should add up to 180 degrees
Answer:
1.9
Step-by-step explanation:
you divide 12 by 2 then divided that by pi
Answer:
A) 360 adults
Step-by-step explanation:
c=quantity of child
a=quantity of adult
9c+12.5a=5220
a+c=440 then c=440-a
substitute for c
9(440-a)+12.5a=5220
3960-9a+12.5a=5220
reduce
3.5a=1260
a=360