To find: The diameter of a circular dish.
The original diameter of the dish is
Given data: An archaeological dig is covered by a circular dish. The three points on the edge of dish are
Method/Formula used:
The general equation of a
Calculations:
The archaeological dig is covered by the circular dish. Let equation of the circle representing circumference/edge of the circular dish is
The three points on the edge of dish are
Substituting
Substituting 0 for x and 0 for y in equation (1),
Substituting
Substitute 0 for c in equation (2),
Adding equation (4) and (5),
Substitute
The radius of the circle is
Since each unit represents1inch, therefore, the diameter of the dish is
Chapter 8 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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