Answer:
66
Step-by-step explanation:
Use the combination formula.
Answer:
i think it's circumference
Step-by-step explanation:
In the middle:
x-coordinate= {7-(-1)}/2= 4
y-coordinate= (8-2)/2= 3
So centre is (4,3)
Answer:
42.771
Step-by-step explanation:
8.07
x 5.3
------
42.771