Math- Geometry Proofs

posted by .

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 angles of a triangle are congruent, then the triangle is isosceles

anyone know how to prove

"n to the exponent 3 + 3n square + 2n

is devisible by 3 for all natural numbers for all n (greater than or equal to) 1 " ?

how do you prove that three different quardenants are not on the same line?

I have a homework that is due tommorow which is PROOFS !! They are 7 questions and i did only 1 and now i will give you the six other questions can u plz help me as soon as possible !!

  • Math- Geometry Proofs -

    a line through point(-5,2)and(2,y)has slope of 3.find y

  • Math- Geometry Proofs -

    i have a test tomorow and i relly need help on proofs

  • Math- Geometry Proofs -

    can u give me some problems on proofs so i could study for my math test today

  • 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?

  • Math- Geometry Proofs -

    Given: ray AD bisects <BAC
    <DAC=3x, and <BAD=5x-24

    Prove: x=12

    its a proof and i need help

  • 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!!

  • Math- Geometry Proofs -

    a triangle is isoceles if it has congruent legs/congruent base angles... if it has one, it must have the other.

Respond to this Question

First Name

School Subject

Your Answer

Similar Questions

  1. 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 …
  2. geometry

    1)given-AB=CD,CD=EF prove-AB-EF (in 5 steps that show why it is corect; i.e two-column proof) 2)Given-<2=<3, <4=<5 prove-<1 is supplementay to <6 (in 3 steps, with the two column proof) TWO-COLUMN PROOF LOOKS LIKE …
  3. 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 …
  4. geometry

    Write a two column proof. Given CE = CA, EB and AD are medians, Prove: EB = AD for a triangle
  5. Geometry

    answer to a two column proof problem such as Given: angle 1 and angle 5 are congruent and angle 5 is congruent to angle 4 prove angle 3 is comgruent to angle 1
  6. geometry

    complete the two-column proof given: x/6+2=15 prove: x=78
  7. geometry

    Write a two-column proof. Given: 7y = 8x – 14; y = 6 Prove: x = 7
  8. Geometry

    Write a two-column proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part
  9. Geometry

    Write a two-column proof. Given: 7y=8x-14; y=6 Prove: x=7 I need help making a two-column proof with the statements and the reasons, please! Thank you! ( This is what I have so far) Statements | Reasons 1. 7y=8x-14;y=6 | Given 2. 7(6)=8x-14 …
  10. 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 …

More Similar Questions