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April 16, 2014

Search: Geometry - Proofs

Number of results: 16,854

Geometry Proofs, HELP!!
I need help, I have a Geometry Exam on Monday. And I don't understand proofs one bit. If someone could help me with some proofs that would be awesome!! You have to post specific questions to get specific help. My experience is that on proofs studying with a competent friend is...
Wednesday, January 3, 2007 at 5:43pm by ccseagle

GEOMETRY
Big problem with proofs. How do you go about doing triangle proofs?
Wednesday, December 3, 2008 at 4:34pm by Emiliana

Math- Geometry Proofs
i have a test tomorow and i relly need help on proofs
Tuesday, November 21, 2006 at 10:35pm by Trionna

geometry proofs
i need help with inderect proofs and proving lines perpendicular.. PLEASE!!!! You have to be much more specific on your question.
Tuesday, December 12, 2006 at 8:54pm by Angel Metellus

Math- Geometry Proofs
can u give me some problems on proofs so i could study for my math test today
Tuesday, November 21, 2006 at 10:35pm by kelly

math
the geometry teacher has enough chalk to last for 16 proofs in each of three classes. if a fourth class is added, how many proofs per class can she now do?
Tuesday, February 26, 2013 at 6:04pm by jacob

Math- Geometry Proofs
What are some ways to prove that a triange is isoscles? i have to make a two column proof based on a problem. What is the exact problem I need help with my geometry homework. We are doing proofs and i need some help because proofs are really hard!! def. isosceles -or- if two ...
Tuesday, November 21, 2006 at 10:35pm by Jenny

math geometry
how can i prove in geometry proofs that something is a midpoint of a line? thanks
Tuesday, November 12, 2013 at 5:38pm by Annie

geometry
ughh i need help i dnt like proofs we'll here it the instructions write a two column proof the segment addition postulate is useful for this proof also. remember that the transitive && substitution properties are common in proofs this one requires substitution.. given is rs=xy...
Thursday, September 24, 2009 at 11:02pm by samm

geometry
how do you do equality proofs?
Sunday, November 2, 2008 at 9:07am by john

geometry
Can somebody help me with Proofs in Geometry Given:M<ABE=M<CBD
Tuesday, June 19, 2012 at 6:19pm by Jay

geometry
Ab=5 what's the reason ? Ch 2.6 segment proofs
Thursday, September 8, 2011 at 10:06pm by tania

Geometry
Indirect Proofs Prove a triangle cannot have 2 right angles. 1) Given triangle ABC. 2) Assume angle A and angle B are both right angles is true by one of two possibilities (it is either true or false, so we assume it is true) This is my first time to do indirect proofs, so if ...
Thursday, November 18, 2010 at 6:48pm by chica

geometry
This is known as Ptolemy's Theorem Here is a page with the proof http://www.cut-the-knot.org/proofs/ptolemy.shtml
Saturday, November 10, 2007 at 10:38am by Reiny

Math- Geometry Proofs
a line through point(-5,2)and(2,y)has slope of 3.find y
Tuesday, November 21, 2006 at 10:35pm by lena

Geometry Proofs HELP!!
thanks but i have another one should i just ask now or make a new question?
Wednesday, November 21, 2007 at 4:58pm by Katie

geometry
ok... i need help with geometric proofs..i have a test tomorrow and dont understand it one bit..
Sunday, November 4, 2007 at 5:29pm by romina

Geometry Proofs (w/Pic)
If PQRS is a rectangle and M is the midpoint of RS, prove PM is congruent to QM. P----------------Q |\ /| | \ / | | \ / | | \ / | | \ / | R--------M-------S *be as explanatory as possible
Saturday, January 18, 2014 at 5:50pm by HELP

Proofs Geometry - Incomplete
Since we have no diagram, and it is very important where A and B are in relation to E and F, more information is needed here.
Sunday, November 13, 2011 at 1:52pm by Steve

maths- urgent
There are many proofs that pi is irrational, and that pi^2 is also irrational. None of them is particularly elementary, but if you trust in reviewed proofs, you should be satisfied.
Friday, April 12, 2013 at 3:17pm by Steve

Proofs and numbers
MA322 PROOFS HA HA HA I AM WATCHING YOU SON
Wednesday, November 28, 2012 at 10:44am by wISE LECTURER

Geometry Proofs HELP!!
how do i do this? given: m//n g//h Prove: angle 4 congruent to angle 16
Wednesday, November 21, 2007 at 4:58pm by Katherine

geometry
I HAVE BEEN STUCK ON THIS QUESTION FOREVER. CAN SOMEONE HELP ME OUT WITH IT. DO THEOREMS REQUIRE PROOFS? EXPLAIN EITHER YES OR NO IN ONE OR TWO SENTENCES.
Tuesday, November 20, 2007 at 2:26pm by alan

discrete math
If p is prime prove that p^1/2 (root p) is irrational. Generalize the proof that sqrt 2 is irrational. You can find several proofs here: http://www.cut-the-knot.org/proofs/sq_root.shtml You should be able to apply the proof to all square roots of prime integers.
Wednesday, March 7, 2007 at 1:20pm by romulo

Geometry
Given angle 4=65 and angle 5=115 write two paragraph proofs to show that r is parallel to s
Thursday, March 18, 2010 at 9:30pm by Anonymous

Math- Geometry Proofs
a triangle is isoceles if it has congruent legs/congruent base angles... if it has one, it must have the other.
Tuesday, November 21, 2006 at 10:35pm by yo

Math- Geometry Proofs
a triangle is isoceles if it has congruent legs/congruent base angles... if it has one, it must have the other.
Tuesday, November 21, 2006 at 10:35pm by yo

geometry
given:m//n & g//h Prove angle 4 is congrunt to angle 16. I have no idea how to do proofs..my teacher is really bad at explaining things.
Wednesday, November 21, 2007 at 4:49pm by katie

Math- Geometry Proofs
an isosceles triangle is wicked easy to prove. Just prove that two of the sides are congruent to each other. What are your given equations?
Tuesday, November 21, 2006 at 10:35pm by Anonymous

Proofs Geometry
What is the statement and the reason for Given: and mEGF∠=60 mAGF∠=°90; Prove: mAGB∠=°30. Thank you!
Sunday, November 13, 2011 at 1:52pm by Allan

Geometry proving quadrilaterals
1,3. consider that the angles are alternate interior angles formed with the parallel sides. a simple web search will provide proofs of all of these assertions.
Monday, September 30, 2013 at 6:58am by Steve

Geometry Proofs HELP!!
BM is perpendicular to AC M is the midpoint of AC and prove that angle abm is congruent to angle cbm
Wednesday, November 21, 2007 at 4:58pm by henry what is the answer to this proof?

geometry
You learn to organize and think on a higher level. For instance, when doing Proofs you need to organize your work and follow a step-by-step process.
Sunday, August 21, 2011 at 4:06am by Henry

Math- Geometry Proofs
Given: ray AD bisects <BAC <DAC=3x, and <BAD=5x-24 Prove: x=12 its a proof and i need help
Tuesday, November 21, 2006 at 10:35pm by Anonymous

Geometry / Proofs
Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons
Tuesday, August 27, 2013 at 3:24pm by Lisa

geometry
Yes. By definition, a theorem is "a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions." Other postulates are used (in proofs) to come up with theorems.
Tuesday, November 20, 2007 at 2:26pm by Michael

Geometry - Proofs
Given: Line cd is the perdendicular bisector of line ab e is on line cd Prove EB=ea
Thursday, February 14, 2008 at 8:42pm by Julie

geometry proofs
given ABC is a triangle. Ad is the altitude to BC. Ad biscects angle BAC. Prove: Ad is the median to BC
Tuesday, December 14, 2010 at 12:25am by SKipper

Math- Geometry Proofs
you have to prove the two segments congruent first then prove that it is an iscoseles triangle by the definition of iscoseles triangle duh!!
Tuesday, November 21, 2006 at 10:35pm by Danny

Geometry
I need help on a geometry proof!!!! If Line AB is parallel to Line DC and Line BC is parallel to line AD, prove that angle B is congruent to angle D. The picture is basically a square or parallelogram with line DC on the Top and Line AB on the bottom, and as u can tell A and D...
Sunday, November 1, 2009 at 5:51pm by Emily

Geometry Proofs HELP!!
from the top line m:(top)1,2,3,4 (bottom)8,7,6,5 line n:(Top)9,10, 11,12 (bottom)16,15,14,13
Wednesday, November 21, 2007 at 4:58pm by Katie

Geometry Proofs HELP!!
I've drawn a picture given line m is parallel to line n, and line g is parallel to line h. However, I don't know how your angles are numbered, so I can't identify angles 4 and 16. Can you provide some clarification of the angles?
Wednesday, November 21, 2007 at 4:58pm by Michael

Pre Calculas
The same way you do any of these proofs. Start using the trig identities you know, to transform one side of the equation till it matches the other side. I used to love these identity proofs when I studied trig. It was amazing how many ways there were to write the same things! ...
Wednesday, November 2, 2011 at 7:25pm by Steve

Geometry Proofs
Given: AD=AB AE= AD/3 AF= AB/3 Prove: AE= AF
Monday, August 13, 2007 at 10:25am by Sarah

ALGEBRA
A bijective function is a function that is both one-to-one (injective) and onto (surjective). To prove that f(x)=mx+b is bijective requires two parts, f(x) is one-to-one and f(x) is onto. Here are some example references that can help you prove that f(x) is one-to-one (...
Sunday, February 20, 2011 at 6:39pm by MathMate

Geometry
Yes, I'm this desperate. I just have problems with coming up with the statements for two column proofs. Answers would be appreciated. Given: line segment AX congruent to line segment DX, line segment XB is congruent to XC. Prove: Line segment AC is congruent to line segment BD.
Tuesday, October 5, 2010 at 8:27pm by Derp

Proofs HELP
what is coplanar?
Wednesday, November 21, 2007 at 6:05pm by Kim

maths proofs
You're welcome!
Monday, September 27, 2010 at 3:13pm by MathMate

math
what are indirect proofs
Wednesday, September 5, 2007 at 7:44pm by brandon

Trig Proofs
Thanks so much for the help=)
Monday, April 27, 2009 at 8:27pm by Kim

maths proofs
thanks so much
Monday, September 27, 2010 at 3:13pm by daz

math in general
what is the point of proofs?
Wednesday, November 21, 2007 at 6:11pm by Kevin

Proofs HELP
Do i need to explain the given?
Wednesday, November 21, 2007 at 6:05pm by katie

maths proofs
That's correct! (the last version).
Monday, September 27, 2010 at 3:13pm by MathMate

geometry proofs
given: line QO congruent to QN, line NM CONGRUENT TO OP Prove: triangle QMP IS ISOCELES 5. TRIANGLE QNM CONGRUENT TO TRIANGLE QOP WHAT IS THE REASON 7. TRIANGLE QMP IS ISOCELES WHAT IS THE REASON
Tuesday, December 8, 2009 at 12:25am by haley

physics (geometry bit)
h t t p : / / i m g 4 3 . i m a g e s h a c k . u s / i m g 4 3 / 4 7 4 1 / 9 4 7 4 7 1 1 6 . j p g ok the two read angles are equal to each other because they are complementary if i remeber correctly the only thing we can conclude is that when we add the two angles togther we...
Monday, August 10, 2009 at 7:39pm by physics (geometry bit)

10th grade math
i really need help on proofs
Saturday, September 6, 2008 at 11:58am by Trionna

trig proofs
cotx+tanx=secx+cscx
Tuesday, January 15, 2013 at 7:33pm by katie

Advertising question, please help!!!!!!!!!!!!!!
ok, that will help me with my proofs, but I need ideas on what points to use...
Friday, September 7, 2007 at 9:47pm by Mark

math in general
Proofs are used to come up with many useful theorems.
Wednesday, November 21, 2007 at 6:11pm by Michael

vector proofs math 536
*******Prove that AM/BM = MC/MD
Tuesday, October 19, 2010 at 12:22pm by dave

geometry
Check these sites about geometric proofs. http://www.sparknotes.com/math/geometry3/geometricproofs/ http://www.dummies.com/WileyCDA/DummiesArticle/id-1193.html http://www.themathlab.com/geometry/mathcourt/writeproofs.htm
Sunday, November 4, 2007 at 5:29pm by Ms. Sue

geometry proofs
Consider triangles ABd and ACd for congruence: Ad is altitude, so ∠ABd = ∠ACd = 90° Ad bisects angle BAC, so ∠CAd = ∠BAd Ad = Ad (common side) So triangles ABd and ACd are congruent, ASA (angle-side-angle).
Tuesday, December 14, 2010 at 12:25am by MathMate

geometry
1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
Tuesday, August 30, 2011 at 4:39pm by SoccerStar

Trig Proofs!
I'm having trouble solving this proof. Can you help? cos^3+sin^3/cosx+sinx = 1-sinxcosx Thanks!:)
Thursday, March 8, 2012 at 12:50am by Kels.

Proofs and numbers
Use Fermat's Little Theorem to find the remainder on division of 5120 by 19.
Wednesday, November 28, 2012 at 10:45am by yin

Proofs and numbers
Use Fermat's Little Theorem to find the remainder on division 5^120 by 19.
Wednesday, November 28, 2012 at 10:50am by yin

honors/Geometry
how do you write out proofs? To be more specific with my question, how do you find the alternate exterior angles theorem? Be sure the result is not a postulate. If it is then there's nothing to prove, it's given. If it is a theorem -a provable statement- then review the ...
Wednesday, September 27, 2006 at 12:27am by chelsea

Don't understand this Geometry question
Isosceles triangle XYZ is placed on a coordinate plane to be used for a coordinate proof. What should the coordinates of its vertices be? a. (-a,0), (0,0), (a,0) b. (0,0), (0,-a), (-a,0) c. (0,0), (0,a), (a,0) d. (0,0), (0,-a), (a,0) ??? 5 REASONS WHY SOCIAL STUDIES IS ...
Monday, August 28, 2006 at 10:30pm by Ellie

Proofs HELP
It means "lying in the same plane." In this problem, the lines are coplanar, so you don't have to worry about that part.
Wednesday, November 21, 2007 at 6:05pm by Michael

Calculus
Prove via Mathematical Induction that (7*n) - 1 is divisible by 6. I have that it is divisble when n=1, but not n=2 and so on. How should I write the inductive proofs?
Saturday, August 11, 2012 at 11:21am by Timofey

Proofs and numbers
Solve the congruence 24x identical to 42 (mod 30) for x. List all the solutions (if there are any).
Wednesday, November 28, 2012 at 10:48am by yin

Geometry Proofs HELP!!
Okay, start by stating that m//n and g//h. You're just using your different properties for congruency. 1. m // n and g // h --> given 2. Angle 4 congruent to Angle 8 --> alternate exterior angles 3. Angle 8 congruent to Angle 10 --> alternate interior angles 4. Angle ...
Wednesday, November 21, 2007 at 4:58pm by Michael

geometry
We are learning about proofs. We drew lines between noncollinear points. Our table showed 2 points >> 1 line segment, 3 point >> 3 line segments, 4 points >> 6 line segments, 5 points >> 10 line seg, 6 points >> 15 line seg. etc. Write an ...
Wednesday, October 8, 2008 at 1:18am by Zack

Geometry
Reflective sets of angles Given: <ABC is congruent to <EFG <1 is congruent to <3 Prove: <2 is congruent to <4 Statements: Reasons: 1.) <ABC is congruent to <EFG 1.) Given (m<ABC is congruent to m<EFG) <1 is congruent to <3 (m<1 is ...
Tuesday, September 28, 2010 at 3:58pm by Happy Face

GEOMETRY
Reflective sets of angles Given: <ABC is congruent to <EFG <1 is congruent to <3 Prove: <2 is congruent to <4 Statements: Reasons: 1.) <ABC is congruent to <EFG 1.) Given (m<ABC is congruent to m<EFG) <1 is congruent to <3 (m<1 is ...
Tuesday, September 28, 2010 at 5:52pm by Happy Face

I need an answer--molecular/electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
Tuesday, February 8, 2011 at 8:03pm by Kate

Molecular and Electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
Tuesday, February 8, 2011 at 6:47pm by Kate

Proofs HELP
Yes, start by stating the given information and giving the reason - it's given.
Wednesday, November 21, 2007 at 6:05pm by Michael

similarity proofs
Given: (AX/CX)=(BX/DX) prove: angle B = angle D
Thursday, March 12, 2009 at 7:15pm by Anthony

Trig Proofs
Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)
Monday, April 27, 2009 at 8:27pm by Kim

maths proofs
is it aČ+bČ+2ab-aČ+bČ 2bČ+2ab if not please help thanks
Monday, September 27, 2010 at 3:13pm by daz

math
Can someone explain the Triangle Similarity, Or the AA Similarity, Theorem? We're doing proofs, and I don't think I understood the wording.
Wednesday, April 15, 2009 at 1:45pm by Libby

Maths- very very simple
you are correct. It is the Pythagorean Theorem, and any web search will provide a variety of proofs of it.
Thursday, February 14, 2013 at 5:49pm by Steve

English
No they're not quoted from the book. I'm including three proofs to make my point "solid". I don't know about my explanation still, I think it's weak or am I just overthinking on how to comment?
Sunday, December 2, 2007 at 8:14am by Anonymous

Molecular and Electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :)
Monday, February 7, 2011 at 7:02pm by Kate

Geometry
Writing indirect proofs. Can someone please check for me. I am not sure If this is correct.Thanks much Given: triangle ABC angle B=120 degree Proof: Triangle A does not equal 60 degree Plan: Using an indirect proof, using the paragraph method My answer. Assume temporarily that...
Monday, June 4, 2007 at 10:01pm by DANIELLE

maths proofs
or is it aČ+bČ+2ab-aČ-bČ 2ab
Monday, September 27, 2010 at 3:13pm by daz

Geometry Proofs (w/Pic)
Well, if it is a rhombus we know all the sides are of equal length AND opposite sides are parallel. All we have to prove is that the corner angles are equal CBE=BCE given so CBE=BCE=ADE=DAE intersect parallel lines BE = CE isosceles AD = BC rhombus so triangle AED congruent ...
Saturday, January 18, 2014 at 5:50pm by Damon

geometry
What is your geometry question? What exactly do you need help with in terms of geometry? Write back....
Saturday, February 16, 2008 at 8:37pm by Guido

MATH PROOFS
PROVE: P(( union )[i=1]^(k))=(∑)P(A[i]^ ) ∀ A[i]^ such that (A[i]^ intersect A[]j = ∅ ∀i <>j) ∀k
Wednesday, March 16, 2011 at 12:23pm by Athena

geometry
Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?
Tuesday, September 26, 2006 at 9:24pm by Debra

Chem
hah funny thing. i put geometry instead of my name cus geometry was my question but my names anna. =P but no problem
Tuesday, March 11, 2008 at 6:29pm by Geometry

Research Report
What are three arguments you're using to support your opinion that Stonehenge is a wonderful piece of history? Those three "proofs" can be your topic sentences.
Monday, February 3, 2014 at 6:09pm by Ms. Sue

AP Calc.
I'm working on Proofs for Limits. So my question is how the bloody hell do I do this. This is the equation I am working with: F(x)= (x^2-5x+8)(x-3)/(x-3) Use the limit properties to prove algebraically that limf(x)=2 as X approaches 3
Wednesday, October 3, 2007 at 9:46pm by Chii

Physics
Range = [Vo^2 sin(2A]/g 2A = 126 degrees in this case Try deriving the formula and it will help you learn the subject better. You can also find proofs onllne.
Thursday, October 27, 2011 at 3:56pm by drwls

Complex numbers
There are lots of proofs of the triangle inequality. One such can be found here: https://www.math.ucdavis.edu/~forehand/67_summer2012_files/triangle%20inequality.pdf
Thursday, January 2, 2014 at 11:24am by Steve

Geometric Proofs
how to place information to get answer of geometric mean of 25.4, 9, 16, 4.25, 8.11, 19?
Tuesday, December 13, 2011 at 9:28pm by catherine

7th grade geometry
I need help desperately with geometry. the geometry is Area: Parallelograms, Triangles, and Trapezoids. It's really hard for me. Only if you get the concept. Anyway, Pleaswe help me!!!!!!!!!!
Monday, January 28, 2008 at 6:52pm by Janelle-Marie

math
In order to fit 3 pictures across a page, the yearbook staff must reduce their portrait proofs using a scale factor of 8 to 5. Find the dimensions of the picture as they will appear in the yearbook.
Wednesday, January 8, 2014 at 5:07pm by Irene

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