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Earn +20 ptsQ: Prove that the perimeter of a triangle is greater then its three altitudes?
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Continue Learning about Geometry
How do you prove an isosceles triangle?
an isisceles triangle is a triangle with atleast two sides congruent.
Which postulate or theorem can you use to prove that triangle ABC triangle EDC?
ASA
Using coordinate geometry of 3D prove that the medians of a triangle are concurrent?
== ==
Prove that the perimeter of a quadrilateral is greater than the sum of the length of its diagonal?
The shortest path between two points is a straight line. This is a mathematical fact, which can be proven in another question.The diagonal of a quadrilateral is a straight line between two opposing (non-adjacent) vertices. The perimeter of a quadrilateral will include two separate paths between the same vertices. The difference is that these two paths are each composed of two linked line segments, so each of these paths will be longer than the diagonal.Therefore, the length of the perimeter of a quadrilateral will be greater than twice the length of either diagonal.
suppose you want to prove the isosceles triangle theorem by proving that JKL?
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