10 Answered Questions for the topic Geometry Triangle Proofs

Geometry Triangle Proofs Isosceles Triangle Perpendicular Bisector

07/06/18

Prove that the bisector of the vertex angle of an isosceles triangle is the perpendicular bisector of the base.
This is a two column proof Given: ∆ABC is an isosceles triangle. Line BD bisects ∠B Prove: line BD is the perpendicular bisector of line AC
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Geometry Triangle Proofs Triangle Proofs Using Sss And Sas

11/20/17

What’s the statement and reasons for this
given: S is the midp of PR            QS is the altitude from Q to PR   Prove: triangle PQS is congrurent to triangle RSQ
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Geometry Triangle Proofs

11/30/15

How to solve for one side length on this particular acute scalene triangle? Please Help!
An acute scalene triangle has angle measures of 62 degrees, 37 degrees, and 81 degrees. The side length between the 62 degrees and 37 degrees is 28 feet. The side length between the 81 degrees and... more
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Geometry Triangle Proofs

08/13/15

prove that a triangle inscribed in a circle is an equilateral triangle. given arcPQ=arcQR=arcRP. prove that trianglePQR is an equilateral triangle
need help. just some simple proving that's all. tnx
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Geometry Triangle Proofs

03/11/15

The Ratio of the Measures of the angles of a triangle is 3:4:8. FInd the measure of the largest triangle
 help
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Geometry Triangle Proofs Geometry Geometric Proofs Triangles

02/21/15

Complete a triangle proof given that AB is parallel to DE and prove that AB/ED is equal to AC/EC
Two triangles are given, ABC and CDE and they share a common point, C, which connects them forming vertical angles at this point. 
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Geometry Triangle Proofs

11/10/14

?K ? ?N; segment KL ? segment NL ,triangle KLM is an isosceles triangle with base segment ML and triangle NLM is an isosceles triangle with base segment ML
GIVEN: ∠K ≅ ∠N; segment KL ≅ segment NL ,triangle KLM is an isosceles triangle with base segment ML and triangle NLM is an isosceles triangle with base segment ML      PROVE: segment ML bisects... more
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Geometry Triangle Proofs

11/05/13

does a triangle being equilateral mean it is als equiangular?
geometric question
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Geometry Triangle Proofs

07/21/13

x = -744, z = +381. with 120 degree angle.
x = -744, z = +381. with 120 degree angle. that are the cords of the other two points of the triangle
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Geometry Triangle Proofs

01/07/13

i don't understand when to use what reason for two column proofs
Like for triangle proofs for the theorems and sss and sas an aas all. Basically all the reason i dont no when to use them and at what time
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