# Geometry - Proofs

9,820 results

### 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...

### GEOMETRY

Big problem with proofs. How do you go about doing triangle proofs?

### geometry proofs

i need help with inderect proofs and proving lines perpendicular.. PLEASE!!!! You have to be much more specific on your question.

### Math-Geometry

I am having a difficulty with solving proofs, such as triangle proofs for my homework, is there any tips and tricks to be able to solve them?

### 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 ...

### 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...

### math geometry

how can i prove in geometry proofs that something is a midpoint of a line? thanks

### geometry

Can somebody help me with Proofs in Geometry Given:M<ABE=M<CBD

### geometry

how do you do equality proofs?

### geometry

Ab=5 what's the reason ? Ch 2.6 segment proofs

### Math

I need help with proofs in geometry.

### 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 ...

### Geometry

What is the difference between the symmetric and reflexive properties when doing triangle congruency proofs?

### geometry

ok... i need help with geometric proofs..i have a test tomorrow and don't understand it one bit..

### 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

### geometry proofs

given ABC is a triangle. Ad is the altitude to BC. Ad biscects angle BAC. Prove: Ad is the median to BC

### 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

### 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.

### Geometry - Proofs

Given : ABCE is a rectangle. D is the midpoint of CE. Prove : AD is congruent to BD . Statements || Reasons 1. ABCE is a rectangle. D is the midpoint of CE . || 1. Given 2. <AED is congruent to BCD || 2. Definition of rectangle 3. AE is congruent to BC || 3. Definition of ...

### Geometry

Given angle 4=65 and angle 5=115 write two paragraph proofs to show that r is parallel to s

### Geometry Proofs HELP!!

how do i do this? given: m//n g//h Prove: angle 4 congruent to angle 16

### 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.

### 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.

### Geometry Proofs

Trying to solve a proof. Triangle ABC. D is a point on side AC and E is a point on side BC. There is a line from Angle B to Point D and a line from Angle A to Point E. My Givens are AD = BE and BE>AE. I need to prove BC>AC. This is for my 7th grade geometry class. Thank ...

### Proofs Geometry

What is the statement and the reason for Given: and mEGF∠=60 mAGF∠=°90; Prove: mAGB∠=°30. Thank you!

### Geometry - Proofs

Given: Line cd is the perdendicular bisector of line ab e is on line cd Prove EB=ea

### 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...

### 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.

### Geometry

Full Question: The coordinates for a rhombus are given (2a, 0), (0, 2b), (-2a, 0), (0,-2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas. Image Description: The image looks ...

### math

what are indirect proofs

### math in general

what is the point of proofs?

### 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 ...

### 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 ...

### trig proofs

cotx+tanx=secx+cscx

### Critical Thinking

Conditional Proofs 1. P>Q 2. R>Q conclusion is (PvR)>Q

### 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 ...

### 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 ...

### 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

### Proofs and numbers

Use Fermat's Little Theorem to find the remainder on division of 5120 by 19.

### Proofs and numbers

Solve the congruence 24x identical to 42 (mod 30) for x. List all the solutions (if there are any).

### Proofs and numbers

Use Fermat's Little Theorem to find the remainder on division 5^120 by 19.

### Trig Proofs!

I'm having trouble solving this proof. Can you help? cos^3+sin^3/cosx+sinx = 1-sinxcosx Thanks!:)

### 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 ...

### Geometry Help & Proofs

The ratio of the volume of Cylinder A to the volume of Cylinder B is 1:5. Cylinder A is similar to Cylinder C with a scale factor of 1:2 and Cylinder B is similar to Cylinder D with a scale factor of 1:3. What is the ratio of the volume of Cylinder C to the volume of Cylinder ...

### 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?

### 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...

### Chemistry

I just need some ideas of what to put for these on my homework examples for extra credit Name a molecule that has: A) Tetrahedral Geometry B) Trigonal planar geometry C) Linear Geometry D) Bent Geometry

### Chemistry

I just need some ideas of what to put for these on my homework examples for extra credit Name a molecule that has: A) Tetrahedral Geometry B) Trigonal planar geometry C) Linear Geometry D) Bent Geometry

### Geometry

Geometric Proofs.... Write a justification for each step Given: AB = EF, B is the midpoint of Line AC and E is the midpoint of Line DF. 1. B is the midpoint of Line AC and E is the midpoint of Line DF. 2. Line AB is congruent to Line BC and Line DE is congruent to Line DF 3. ...

### 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...

### 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 =]

### 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 =]

### Trig Proofs

Please solve this proof Tan(pi/4 +x)+ Tan(pi/4+x)= 2Sec2x

### Trig Proofs

Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)

### 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.

### similarity proofs

Given: (AX/CX)=(BX/DX) prove: angle B = angle D

### 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

### Math (Real Analysis)

Prove if f(p) = 0 where abs(f) is continuous at p, then f is continuous at p. Note: we have only learned continuity, discontinuty, and epsilon-delta proofs (no limits)!

### math

Given: âˆ†ABC is isosceles mâˆ ACB = 120Â° mâˆ BMC = 60Â° CM = 12 Find: AB can you guys help I'm really struggling with proofs (statement and reasons)

### MATH PROOFS

PROVE: P(( union )[i=1]^(k))=(∑)P(A[i]^ ) ∀ A[i]^ such that (A[i]^ intersect A[]j = ∅ ∀i <>j) ∀k

### 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 :)

### geometry

Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?

### 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...

### 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.

### Literature

How does "A Rose for Emily" demonstrate that the act of going to war ensured the demise of Southern Aristocracy? I noticed that she didn't have to pay taxes at first because the colonel knew she couldn't pay them. Are there other proofs?

### vector proofs math 536

if the diagonals of quadrilateral ABCD intersect at their midpoints, then the quadrilateral is a parallelogram. Prove that AM MC --- = --- MB MD Ive tried figuring out this question for a while now and I cant figure it out.

### Proofs HELP

this has the same layout of my last question but the given is an angle not a line. Given:angle 2 and 3 are supplementary and angle 6and 10 are congruent. prove:m//n

### Proofs and numbers

Compute empty(24). For each element of Z(intergers)=24 decide whether the element is a unit or a zero divisor. If the element is a unit, give its order and find its inverse.

### social sudies

A passionate, nonintellectual commitment Truth is subjective. Developed three proofs of God not to sure who their philosophers are but here are mine first one is it a leap of faith? Second one Willaim James and third Mary Daly

### math- Triangle facts

Explaining the isosceles theorem. Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect Proofs and using an indirect proof with an algebraic problem.

### Math: proofs

if f exist in the Riemann integral from [a,b] and if (P_n) is any sequence of tagged partitions of [a,b] such that the norm of these tagged partitions goes to 0 and lim_n S(g,P_n) exists.

### Geometry

For each property listed from plane Euclidean geometry, write a corresponding statement for non-Euclidean spherical geometry. A line segment is the shortest path between two points Hey guys I want to know how to do this and can you help me with this question?

### Proofs and numbers

Prove the following theorem: Suppose p is a prime number, r, s are positive integers and x is an arbitrary integer. Then we have x^r identical to x^s (mod p) whenever r is identical to s (mod 11).for x belongs to an integer

### maths proofs

Take the numbers 4 and 7. If we square them we get 16 and 49, which added together becomes 65. If we add 4 and 7 together first and then square we get 121. The difference is 56. PROVE that there is a connection between the product of 4 and 7 and 56 FOR ANY PAIR OF NUMBERS YOU ...

### Philosophy

Construct natural deduction proofs for each of the following. 118.2 p&(q&r).'. q 118.4 .'. ¬(p&(q&¬p)) 118.10 q .'. ¬(¬p&¬q) 122.3* p " q, ¬p " r .'.¬q " r 122.7* p " q, ¬(p " r) .'. ¬(q " r) 122.10 p " q, ¬q .'. ¬p

### Complex Number Proof

Prove: If Z and W are complex numbers, then the conjugate of (Z+W) is equal to the conjugate of Z plus the conjugate of W. My thought is that this is kind of like the distributive property, but I'm not sure. It doesn't help that I haven't written a proof in over 10 years. Help...

### Trigonometry - Proofs

Prove that the average of the numbers n sin (n degrees) (n = 2, 4, 6, ... 180) is cot (1 degree) Hint: Express everything in terms of sin and cos. Can you rearrange the result into a form that allows you to use some of the identities you've learned? How to start? I know I have...

### Quick math help

I'm on the topic of "Algebra proofs". Is this statement an example of a transitive property?: If CD=AB and AB=8 then CD=8 Here's another problem I want you to check& note that I only have 4 blanks per side of the table (statements and reasons) Given: 2(x+3)=3x+1 Prove: 5=x ...

### English

All of the following plural nouns except a.flies b.themselves. c. ladys. d.proofs I am think d All of the following compound nouns are correct except a.editors in chief. b.sons-in-law. c.bird watchers. d.mother-in-laws. I am think b or d

### Geometry

PLEASE! Someone help me with geometry!? A wooden board is placed so that it leans against a loading dock to provide a ramp. The board is supported by a metal beam perpendicular to the ramp and placed on a 1 ft. tall support. The bottom of the support is 9 feet from the point ...

### Discrete Mathematics

I am having trouble using modus ponens and all the rules of inherence. By any chance do you guys have a link that can explain these concepts in more detail. I've tried multiple books and links...and haven't found a good website that shows this types of proofs in good ...

### Math: Intro to Proofs

Given: Let f: X -> Y be a function. Then we have an associated function f^(-1): P(Y) -> P(X), where f^(-1) (B)⊂X is the inverse image of B⊂Y. Question: Show that f^(-1) is one-to-one if and only if f is onto. [Notes: ⊂ represents subspace, I just couldn...

### math

Study the ways of raising a loan to buy a car or a house. You are required to visit personally two banks at least and ask for the documents required by the bank and the whole process of raising a loan. Describe the whole process in written on project sheets along with the ...

### math

Study the ways of raising a loan to buy a car or a house. You are required to visit personally two banks at least and ask for the documents required by the bank and the whole process of raising a loan. Describe the whole process in written on project sheets along with the ...

### Geometry Letter Grammar??

Hello I'm in Geometry Honors (I'm a freshman btw) and I'm failing with a D. I talked to my counselor about switching me out and going to regular and she says it's okay BUT she needs a letter from my mother saying it's okay to switch me out. I was wondering if you can write the...

### Chemistry

Are both the electron domain geometry and molecular geometry of HCN linear?

### geometry

Math - Plane Geometry. BC is a diameter of circle O, and radius OE is parallel to chord CD. Help?

### geometry

how can you tell in geometry that the equations are parallel, perpendicular , neither, either?

### Geometry

Anyone have the Amsco's geometry textbook and can help me out with some homework?

### Geometry

I Need help doing a geometry proof. In the figure below, PQ=RS. Prove PR=QS. ____________________ P Q R S

### geometry

Prove that the statement, “Rectangles do not exist,” is true in hyperbolic geometry.

### Geometry

I need help unscrambling these geometry vocabulary words senligtacirpalse pitprceenostel nyenagliltuiqitrea gemhetrohnie

### geometry

in elliptic geometry prove that the length of the summit of a saccheri quadrilteral is less than the base

### Please help on geometry - analytic geometry

What is the area, in square units, of a triangle whose vertices are at (4,-1), (10,3) and (4,5) ? How to do this?

### geometry

prove that The sum of the angles in any triangle is 180 degrees is true in Euclidian geometry.

### Chemistry

What is the Lewis structure formula, electron pair geometry and the molecular geometry for SO4^2-

### Geometry

Is anyone in connections academy? I need help with lesson 5 unit 4 geometry quiz polygons and angles Thank you

### chem

what kind of e-pair geometry, molecular geometry, and bond angles does C4H10 exhibit? I'm confused.

### Geometry

In geometry, a common standard setting for enlarging on a copy machine is 121 percent. What does this mean?