The center of a circle is at (-7, -9) and a point on the circle is (-2, 3). What is the area of the circle?
Options
A
B
C
D
Answer & Analysis
Answer
C
Analysis
Question Analysis
This question focuses on circles. The main task is to find the area of the circle. We first need to calculate the radius by determining the distance between the center and the point on the circle, then use the formula to get the area.
Key Concept Explanation
The radius of a circle is the distance from the center to a point on the circle, calculated using the distance formula . The area of a circle is given by .
Step - by - Step Solution
1. Calculate the radius:
Let and .
Calculate and
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