I took a test on this yesterday and all i know is the answer is either 81 117 or 162
C(1;2)
a = 1
b = 2
r = 4
(x-a)² + (y-b)² = r²
(x-1)² + (y-2)² = 4²
(x-1)² + (y-2)² = 16
Answer:
Step-by-step explanation:
The ratio of the circumference to its diameter.
the proportion can be written this way
Circumference / diameter = pi / 1
Answer: 10 years
Step-by-step explanation:
1720=960(1+0.061/12)