Explanation:
The circumference and the are of a circle with radius r
are:

If we use pi = 3.14 and the radius is 9m:


Answers:
• Area: ,254.34 m²
,
• Circumference: ,56.52 m
Answer:
Complex number.
Step-by-step explanation:
Answer:
IV
Step-by-step explanation:
The 6 is to the right of the x axis ( positive x) and the -8i is below the x axis to the right.
The question can't be solved because we can't have negative sign under square root
Answer:
2x4 8.2
Step-by-step explanation: