The center of a circle is M(-1, 8) and a point N(3, 11) is on the circle. What is the circumference of the circle?
Options
A
units
B
units
C
units
D
units
Answer & Analysis
Answer
A
Analysis
Question Analysis
The main focus is using the distance formula to find the radius (distance between the center and a point on the circle) and then calculating the circle's circumference.
Key Concept Explanation
Distance formula: , where is the radius here.
Circumference formula: , with being the radius.
Step-by-Step Solution
1. Calculate the radius with as and as
Want More Practice Questions?
Access thousands of practice questions with detailed explanations on Scholardog.