99 Answered Questions for the topic Geometric Proofs

Geometric Proofs

12/05/14

Given: angle one is congruent to angle two, L is perpendicular to n, prove: L is perpendicular to p
I need help writing a two- column proof for perpendicular lines. This is one of my geometry math questions and I need help.   Given: <1≅<2, L ⊥ n Prove: L ⊥ p
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Geometric Proofs

12/05/14

Triangle XYZ is equilateral, Line segment WY bisects angle XYZ. Prove that Line segment XW is congruent to Line segment ZW
I need the answer to this proof. 
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Geometric Proofs

12/02/14

Given: Square TDZI us rhombus Prove: Triangle DEZ is congruent to Triangle TEI and there are more also
I need help with math problems. Also how do i add a picture of the problems
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Geometric Proofs

11/28/14

Given BX bisects ?ABC Prove ?ABC is a right triangle
Help me im really confused please im terrible at proofs   
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Geometric Proofs

11/02/14

How to solve the two column proof, If two lines form congruent adjacent angles, then they are perpendicular
How do I solve the following proof.  If two lines form congruent adjacent angles, then they are perpendicular 
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Geometric Proofs

10/30/14

Proving triangles using ASA and SSS
Given ∠E≅∠C, ∠EDA≅∠CDB, and D is the midpoint of EC¯ Prove ∇DAE≅DBC                                                                            
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Geometric Proofs Math Geometry

10/26/14

Explain whether the following statement is a valid definition
2. Explain whether the following statement is a valid definition: “A 150° angle is an obtuse angle.” Use the converse, biconditional, and at least one Euler diagram to support your answer.     I... more
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Geometric Proofs

09/22/14

what is the answer to ?8??4
Can't figure out this geometric proofs problem. Need help.
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Geometric Proofs

09/11/14

how many reasons can there be for one statement?
I do not understand proofs and my teacher will not help me understand them so I need help, to me they are really difficult. So will someone help me understand what on  Earth I am supposed to be... more
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Geometric Proofs

12/14/13

given: AB is congruent to CB , angle ABD is congruent to angle CBD prove: triangle ABD is congruent to triangle CBD
what is the 2 column proof that i would write?
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Geometric Proofs

12/03/13

Given 39 points, how many lines can be drawn that contain two of the 39 points?
im supposed to know how many lines 39 points make
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Geometric Proofs

11/21/13

how to do proofs
in a triangle, segment AB is parallel to segment CD, and segment AC is parallel to segment BD. prove that triangle ABC is congruent to triangle DCB.  
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Geometric Proofs

11/21/13

Write a flow proof.
Given: <N is congruent to <L      line JK is congruent to line MK   Prove: triangle JKN is congruent to triangle MKL
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Geometric Proofs

10/20/13

in triangle abc AB=AC , angle bisectors of angle B AND C intersect AC atE and AB at F respectively . prove that BF=FE=EC
in triangle abc AB=AC , angle bisectors of angle B AND C intersect AC atE and AB at F respectively . prove that BF=FE=EC  
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Geometric Proofs Geometry

10/09/13

How do you do two column profs in geometry
I dont understand how to do substitution proofs without numbers.  
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Geometric Proofs

09/17/13

Given AL=SK prove AS=LK
i need reasons for each step there are 6 steps
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Geometric Proofs Quadrilateral Parallelograms

07/31/13

Prove: if a quadrilateral has one pair of sides both parallel and congruent then the quadrilateral is a parallelogram.
I think I have to prove that the other opposite sides are also parallel, but I am not sure how to do it. It is given that the other opposite sides are congruent and parallel.
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Geometric Proofs

01/21/13

Rectangle proof
The proofs for the each properties? Properties:1) Both pairs of opposite sides are parallel.2) Both pairs of opposite angles are congruent.3) Both pairs of opposite sides are congruent.4)... more
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Geometric Proofs Geometry

01/11/13

Suppose the following have been established or assumed:
Axiom 1: p ->~y Axiom 2: ~q ->r Theorem 1: p -> ~z Theorem 2: x -> either q or z Theorem 3: r -> either x or y Write a two-column proof of the proposition p -> q
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Geometric Proofs Geometry Parallelograms

12/13/12

In the isosceles Prove that ABDE Is a parallelogram
Prove that ABDE is a parallelogram and prove that if the altitudes on AC from d and b are egual,then AC bisects bd
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Geometric Proofs Geometry

12/10/12

Complete a two column proof showing that line EP is a angle bisector while the given is that Line EP is a perpendicular bisector
That's all 
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Geometric Proofs Geometry Triangle Congruencies

11/23/12

Using triangle congruencies, prove why the construction of an angle bisector works.
in paragraph or two column proof
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Geometric Proofs

10/14/12

How do you write a proof for the following conditional? (Geometry)
I am having trouble writing a proof for the two conditionals below. I was wondering how I would go about writing the ones below. If two lines are perpendicular, then they form a 90 degree... more
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Geometric Proofs

10/08/12

when given is <1 and <2 are linear, what's the reason that <1 and <2 are supplementary?
Answering geometry proofs
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