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# Lesson Worksheet: Equation of a Circle Mathematics • 11th Grade

In this worksheet, we will practice finding the equation of a circle using its center and a given point or the radius and vice versa.

**Q9: **

The blueprint of a city is in a Cartesian coordinate system, where each unit represents 5 meters. Given that the circle represents one of the cityβs squares, determine the area of the square to nearest square meter. Consider .

**Q10: **

Determine the general form of the equation of the circle that passes through the two points and , given that the circleβs center lies on the straight line .

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