Geometry proofsSome of the most important geometry proofs are demonstrated here. I will provide you with solid and thorough examples. If a formula works for 1 million specific examples, this is still not a proof Understanding a proof can be a daunting task. Writing a proof can even be more daunting I kept the reader(s) in mind when I wrote the proofs outlines below. My approach is to explain everything at the same time I am writing the proof If you are interested in proofs, you will find the proofs below a pleasure to read Area of shapes proofsProof of the area of a circle Here, we prove that the area of a circle is pi × r^{2} by inscribing circles into polygons Proof of the area of a triangle A crystal clear proof of the area of a triangle. We will know why it makes sense to multiply the base by the height and divide the result by two. Proof of the area of a parallelogram Here, we prove that the area of a parallelogram is base times height by turning a parallelogram into a rectangle. Proof of the area of a trapezoid Here, we prove that the area of a trapezoid is the average of the two parallel bases times the height by turning a trapezoid into a rectangle. Proofs related to trianglesProof of the angle sum theorem A crystal clear proof of the angle sum theorem. Triangle inequality theorem proof A crystal clear proof of the triangle inequality theorem. Base angles theorem proof A crystal clear proof of the base angles theorem. Buy a comprehensive geometric formulas ebook. All geometric formulas are explained with well selected word problems Fun math game: Solve a math problem and then eat the math man





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