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The Perpendicular Bisectors of the Chords
The Equation of a Circle
Midpoint
Work Out the Midpoint of a Line
The Equation of the Perpendicular Bisector
Work Out the Equation of the Second Perpendicular Bisector
Point of Intersection of the Two Perpendicular Bisectors Is the Center of the Circle
Work Out the Equation of the Circle
Pythagoras's Theorem To Work Out the Hypotenuse of a Right Angle Triangle
Equation of the Circle
Simplifying the equations
Using elimination to find the quadratic equation
Rewriting the quadratic equations
Compare the bottom two equations
Eliminating a Variable
Simplify the quadratic equation
Plugging the value of a into the quadratic equation
Finding the third equation
Filling in the quadratic equation
How to Find the Height of a Triangle Given 3 Sides
Formula for Area of a Triangle
Traditional Formula for Area of a Triangle
Solve the Equation for the Height of the Triangle
How to Find the Area of a Triangle Using Heron's Formula
How to Find the Semiperimeter of a Triangle
Find the Semi-Perimeter
Finding the Height of the Triangle
Decimal Approximation to the Height
Conclusion