Prove that the triangles with the given vertices are congruent. A(3, 1), B(4, 5), C(2, 3) D(-1, -3), E(-5, -4), F(-3, -2) a The triangle are congruent because triangle ABC can be mapped to triangle DEF by a rotation. (x,y)--->(y,

6,720 results
  1. Geometry

    Help! I'm so confused :( 1. Supply the missing reasons to complete the proof. Given: angle Q is congruent to angle T and line QR is congruent to line TR Prove: line PR is congruent to line SR Statement | Proof 1. angle Q is congruent| 1. Given to angle T

  2. Geometry (check answer)

    Prove that the triangles with the given vertices are congruent. A(3, 1), B(4, 5), C(2, 3) D(-1, -3), E(-5, -4), F(-3, -2) a The triangle are congruent because triangle ABC can be mapped to triangle DEF by a rotation. (x,y)--->(y, -x) Followed by a

  3. Geometry

    Based on the information in the diagram, can you prove that the figure is a parallelogram? Explain. a. Yes; opposite sides are congruent. b. Yes; opposite angles are congruent. c. No; you cannot prove that the quadrilateral is a parallelogram. d. Yes; two

  4. Geometry

    The vertices of ΔABC are A (1, 5), B (3, 9), and C (5, 3). The vertices of ΔDEF are D (−3, 3), E (−2, 5), and F (−1, 2). Which conclusion is true about the triangles? The ratio of their corresponding sides is 1:3. They are congruent by the

  5. Math

    Prove that the triangles with the given vertices are congruent. A(3, 1), B(4, 5), C(2, 3) and D(–1, –3), E(–5, –4), F(–3, –2)

  6. Geometry

    R, S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m

  7. geometry

    Supply the missing reasons to complete the proof Given: B congruent E and BC congruent to EC Prove: AC congruent to DC

  8. Geometry

    Which statement is not used to prove that ΔFGH is similar to ΔFIJ? triangles FGH and FIJ in which point I is between points F and G on segment FG and point J is between points F and H on segment FH Angle F is congruent to itself, due to the reflexive

  9. 8th Grade Pre-Algebra

    Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, −6), Q(0, 9), and R(−3, 0). Triangle P'Q'R' has vertices P'(1, −2), Q'(0, 3), and R'(−1, 0). Plot triangles PQR and P'Q'R' on your own coordinate grid. Part A: What is

  10. Geometry

    PLEASE ANSWER FAST !! Which two ways can not be used to prove two triangles congruent? Why? SSS,SAS,ASA,AAS,HL i think its AAS because the non included side can be one of the two sides not being used but i have no clue what the other would be. Please help

  11. Extended mathematics

    In the diagram,LMN=ONM=90 degree.P is the mid point of MN,MN=2ML and MN=NO,Prove that (a)the triangles MNL and NOP are congruent

  12. math

    Given: ∠TRS = ∠URS ∠TSR = ∠USR Based on the given information and the algebraic and geometric properties presented or proven thus far, choose the congruence theorem that could be used to prove the triangles congruent. If it is not possible to prove

  13. Geometry

    Please help 1. If segment LN is congruent to segment NP and ∠1 ≅ ∠2, prove that ∠NLO ≅ ∠NPM: Overlapping triangles LNO and PNM. The triangles intersect at point Q on segment LO of triangle LNO and segment MP of triangle PNM. Hector wrote the

  14. Math (please check my answer!!)

    What other information must be given in order to be able to prove the two triangles congruent by ASA? i.imgsafe(.)org/c64c59dad9.jpg 1. T=S 2. P=S 3. P=R

  15. MHS

    Given: MC bisects both ∠ACB and side AB. Based on the given information and the algebraic and geometric properties presented or proven thus far, choose the congruence theorem that could be used to prove the triangles congruent. If it is not possible to

  16. Geometric Proofs

    Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line

  17. MAth

    Could someone help with the PORTFOLIO item? ASAP? Plane Art UNIT NAME: GEOMETRY Directions: Follow the guidelines below from the M.C. Escher Gallery to create your work of art for the "Math Behind the Art" exhibition. • • • • Choose one kind of

  18. Geometry CA

    24. Which pair of triangles, if any, can be proven congruent by the ASA Postulate? 25. Which of the following can you use to prove the triangles congruent? If the triangles cannot be proven congruent, select not possible. 26. Which of the following can you

  19. math

    Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, −6), Q(0, 9), and R(−3, 0). Triangle P'Q'R' has vertices P'(1, −2), Q'(0, 3), and R'(−1, 0). Plot triangles PQR and P'Q'R' on your own coordinate grid. Part A: What is

  20. Geometry

    Four tangents are drawn from E to two concentric circles. A, B, C, and D are the points of tangency. Can you name as many pairs of congruent triangles as possible and tell how you can show each pair is congruent? You can use triangle congruence theorems to

  21. geometry

    Lesson 11: Polygons and Quadrilaterals Unit Review Sample Work Step 2 - Identify which formula we use to prove certain properties of polygons. Below are properties of triangles/quadrilaterals you’ve been working with closely. Look at the properties

  22. Geometry

    Given: ABCD is a parallelogram;

  23. Geometry

    1. Given: R and T are right angles and SV bisects RST Prove: RSV = TSV R and T are right angles / given R = T/ All right angles are congruent SV bisects RST/ given 1 = 2 / definition of angle bisector SV = SV / reflexive property RSV = TSV / would the

  24. Math

    Triangle ABC has coordinates A(-4,-2), B(0,-2), and C(-4,1). Triangle DEF has coordinates D(3,6), E(3,2), and F(0,2). Use coordinate geometry to determine if these two triangles are congruent. If they are not congruent, state the reason. A: The triangles

  25. Math (please check my answer!!)

    What other information is needed to prove that the two triangles congruent by SAS? Picture description: there are two triangles showing line LT = line MQ and L=M A.

  26. Math

    Logan drew Δ ABC on the coordinate plane, and then reflected the triangle over the y-axis to form Δ A'B'C'. Which statement is not true about these two triangles? A.Δ ABC≅Δ A'B'C' B. The two triangles have the same angle measures. C. The vertices of

  27. Geometry

    A student writes the statement angle BEA=~angle DEC to help prove the triangles are congruent what reason should the student give?

  28. Geometry

    Determine whether each statement is always sometimes or never true. If the answer is sometimes or never draw a counterexample. Two congruent triangels are similar : Two squares are similar : Two isosceles triangles are similar : Two obtuse triangles are

  29. Math (please check my answer)

    he figure below shows two triangles. Which statement about the triangles is true? i.imgsafe(.)org/c6dcf267d1.jpg The triangles are congruent by: 1. AAS

  30. geometry

    If you had two triangles, triangle RST and triangle UVW, and in triangle RST angle R= angle S= angle T and in triangle UVW angle U= angle V= angle W, is there enough information to prove that the triangles are congruent? So each triangle is equiangular.

  31. geometry

    solve this proof: PR is congruent to DE, PT is congruent to DF, Angle R is congruent to Angle E, Angle T is congruent to Angle F.. Prove Triangle PRT is congruent to Triangle DEF

  32. math

    Name the congruent angles and sides for the pair of congruent triangles. ΔGKP=~ ΔLMN that is the "congruent" sign

  33. Math

    The figure below shows two triangles. Which statement about the triangles is true? i.imgsafe(.)org/c60dcd0488(.)jpg The triangles can be proven congruent by: 1. Angle angle side

  34. math

    if possible,draw two isosceles triangle in which all the equal-length sides in both triangles are congruent, but the two triangles themselves are not similar.

  35. Math-geometry

    A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares

  36. geometry

    I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.

  37. Math

    Suppose line GH is congruent to line JK, line HE is congruent to line KL, and angle 1 is congruent to angle L. Can you prove that triangle GHI is congrunet to triangke JKL, abd if so, how? A. You can use SAS to prove the triangles are congruent. B. You can

  38. Math, algebra

    in a two by 3 grid, each lattice point is one unit from its nearest neighbours. a total of 14 isosceles triangles( but not right triangles), each with an area of 1\2 u2 have only two vertices that are one unit apart in the grid. how many such half unit

  39. Geometry

    Which is the hypotenuse-leg theorem? A. If the hypotenuse and one leg of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse is congruent to the corresponding part of

  40. Geometry

    Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is

  41. Math Question

    Which one of the following pairs of triangle must be similar? a) two isosceles triangles with congruent vertex angles b) two right triangles c) two scalene triangles with congruent bases d) two obtuse triangles a) if the two vertex angles are the same then

  42. Math-geometry

    A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares

  43. math

    ​Which congruence criteria can be used to prove the triangles are congruent?

  44. Math

    In this 2x3 grid, each lattice point is one unit away from its nearest neighbors. A total of 14 isosceles triangles(but not right triangles), each with an area of ½u squared have only two vertices that are one unit apart in the grid. how many such

  45. Math

    A Rectangle with vertices A, B, C, AND D. The triangle is divided with vertices P AND Q. How many right triangles can you make with using only three of the vertices {A, B, C, D, P, OR Q}. Also The answer is not 12 or 16. Our teacher gave us this hints

  46. Math

    If two angles of one triangle are congruent to two angles of another triangle, these triangles must be a) scalene b) similar c) congruent d) isosceles Dont all traiangles have 180 degrees? So if two angles were congruent, what about the third? I still

  47. Geometry

    Which is the hypotenuse-angle theorem? ________________________________________ A. If the hypotenuse and an acute angle of a right triangle are congruent to the corresponding parts of another right triangle, then the triangles are congruent. B. If the

  48. math

    Name the congruent angles and sides for the pair of congruent triangles. ∆MGB ≅ ∆WYT

  49. Math

    two triangles Use the triangles. Name one pair of congruent angles. A. ∠PQR and ∠VST B. ∠PRQ and ∠SVT C. ∠RQP and ∠TVS D. ∠QPR and ∠STV

  50. math

    One triangle has vertices A, B, and C. Another has vertices T, R, and I. Are the two triangles similar? If so state the similarity and the scale factor. AB- 6 BC- 8 AC- 10 TR- 10 RI- 7.5 TI- 12.5

  51. Math

    Prove: If the hypotenuse and an acute angle of one triangle are congruent respectively to the hypotenuse and an acute angle of another right triangle, then the two triangles are congruent.

  52. Geometry

    Hey! Thanks for checking my question out! ____ 1. R , S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m∠R = 60, m∠S = 80, m∠F = 60, m∠D = 40, RS = 4, and EF = 4. Are the two triangles congruent? If yes,

  53. Geometry

    Given IE is congruent to GH, EF is congruent to HF. F is the midpoint of GÌ. Prove the triangles EFI is congruent to HFG. . Can you please help me to understand how to do this problem? I don't understand how to find a proof. Thank you so much for your

  54. Geometry

    I need help on these two. Consider tirangles ABC and DEF. Side A is congruent to side F. Angle A is congruent to angle F. Angle B is congruent to angle E. What postulate or theorem can be used to prove that the two triangles are congruent? If angle1 and

  55. math

    Given: segment AC and segment BD bisect each other at E prove: E is the midpoint of segment RS i don't know if you will be able to visualize the picture but just incase someone is i really need help on the proof for this one. Picture: two(supposedly

  56. Geometry

    Explain why you cannot use AAA to prove two triangles congruent.

  57. Math

    prove that two triangles are congruent if they have 2 equal adjacent angles and the side inbetween them is also the same.

  58. GEOMETRY

    Reflective sets of angles Given:

  59. mathematics

    In this 2-by-3 grid, each lattice point is one unit from its nearest neighbors. A total of 14 isosceles triangles (but not right triangles), each with an area of 1/2u^2 have only two vertices that are one unit apart in the grid. How many such half-unit

  60. Geometry

    2.Write a flowchart Given: STV congruent TVU,STU congruent UVS Prove: SVT congruent UT

  61. math CA

    1. What are the next two terms in each sequence? 2, 4, 8, 14, 22, … (2 points) 30, 38 30, 40 32, 44 32, 46 2. What are the next two terms in each sequence? 1.3, 2.4, 3.5, 4.6, … (2 points) 5.7, 6.8 5.8, 6.9 6.7, 7.8 7.8, 8.9 3. For questions 3–4, use

  62. Math

    An equilateral triangle s divided into 4 congruent equilateral triangles. What method can be used to find the area of the larger equilaterl triangle give the area of one of the smaller triangles? F. Multiply the area of the larger equilateral triangle by 4

  63. geometry

    Complete the flow proof for a Hypotenuse-Angle Theorem. Given AC congruent DF,

  64. Geometry

    Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is

  65. Geometry..

    Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is

  66. Geometry

    Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is

  67. MATH!!!

    given isosceles triangle ABC, line AB = BC, and BD is the angle bisector of isosceles triangle ABC prove AB x DC = BC x AD Aren't the two halves congruent? (SAS) If so, then DC is equal to AD. Don't the ratios AB:AD=BC:DC by corresponding parts? how do i

  68. Geometry

    Can some one please check these for me.Thanks Angle DEF is similar to Angle HJK and the scale factor of angle DEF to anle HJK IS 5/2. If EF =15 FIND JK Here is what I came up with Am I correct 5/2 = EF/JK 5/2 =15/JK 5(JK)=30 JK=30/5 JK=6 Given: ABCD is a

  69. Geometric Proofs

    Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line

  70. maths

    Rudransh has a piece of cardboard in shape of a quadrilateral. He cuts it into two triangles such that angles formed at the vertices are bisected. He wants to find out whether the two triangles are congruent or not

  71. maths-urgent

    Rudransh has a piece of cardboard in shape of a quadrilateral. He cuts it into two triangles such that angles formed at the vertices are bisected. He wants to find out whether the two triangles are congruent or not without actually super positioning them

  72. help me pls geometry

    Which tirangles must be similar 1. Two right triangles with a congruent acute angle 2. Two obtuse angles 3 Two isosceles triangles with congruent bases 4. Two scalene triangles with a congruent angle

  73. geometry

    Given: AC perpendicular BD and AB congruent CB. Prove AD congruent CD. It is a kite figure. I need statements and reasons. Problem states Plan: prove triangle ABE congruent CBE. The use congruent corresponding parts AE and CE to show right triangle AED

  74. Math-geometry

    A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares

  75. math

    Algebra For questions 1-5, find the value of the variable. 1. x = (1 point) 2. y = (1 point) 3. x = (1 point) 4. x = (1 point) 5. (1 point) x = , y = , b = 90 x = , y = 3, b = 95 x = , y = 2, b = 90 x = , y = , b = 130 In Exercises 6-8, decide whether the

  76. Math

    prove that two triangles are congruent if they have 2 equal adjacent angles and the side inbetween them is also the same.

  77. math

    It is a proof. Given: line DB bisects line AC line AD is parallel to line BE AD=BE Prove: DB=EC there are two triangles connected together by point B. They are labled A D B and B E C. D and E are the top points of the triangles. they look like they would

  78. Math Geometry

    A triangle has vertices P(a,b), Q(c,d), and R(e,f). You are asked to prove that the image triangle angle P'Q'R' of triangle angle PQR after reflection across the y-axis is congruent to the preimage. What coordinates should you use for the vertices of

  79. Geometry

    Reflective sets of angles Given:

  80. Maths

    In two right angeled triangles, one sides and acute angle of one triangle are equal to one side and the corresponding acute angle of the other triangle, prove that the two triangles are congruent.

  81. math

    the figure shows eight congruent triangles. redraw the figure with four fewer segaments, so that only four congruent triangles remain.

  82. Math (Geometry)

    Hello everybody, I have been presented with a geometry task. Here is the exact description of the task. "You work for a construction company. One of the clients wants the company to build a 16 food by 20 dance floor. They want the floor to be a moaic

  83. math

    Prove eachh mathematical statement for integers m,n,k,p,a,b 12. For every prime p and nonzero n we have n^2 is congruent to nMODp if and only if either n is congruent to 1MODp or n is congruent to 0MODp.

  84. math

    List all the connected planar graphs on 6 vertices that contain a cycle of length 6 and have no triangles. Prove that your list is complete.

  85. geometry

    1) The above transformation is a rotation about the point (2, 1.5) Describe how you can prove that the two are in fact congruent. Use complete sentences. 2)Given a triangle with vertices at points (-4, -10), (-8, -8), (-1, -1) and the transformed triangle

  86. 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

  87. maths

    the triangle in each pair are congruent.state the condition that shows that the triangles are congruent and write down the corresponding point a.ABC where AB= 8cm

  88. Writing a 2 column proof..

    I have no idea where to start! and I've got lots of these to write. Directions say write a two-column proof... Given: segment AB is congruent to segment XY, AC is is congruent to XZ, and BC is congruent to YZ. Prove: triangle ABC is congruent to triangle

  89. Math

    Draw two scalene triangles that are not congruent, but have exactly five sets of parts (sides and angles) that are congruent. Make a drawing that is to scale. Label yourmeasurements.

  90. Geometry

    Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The

  91. Geometry

    Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The

  92. Math

    Reiny ..thanks for the formula and example. I tried it and i get that both sets of triangles are congruent but it is multiple choice with one answer. I don't know what i am doing wrong. How do I determine which two triangles on a graph are congruent.

  93. Math

    Would two congruent triangles still be congruent if one is reflected across the x-axis?

  94. math

    Are corresponding angles in similar triangles are always congruent? I think it's always congruent but I'm not sure. Am I right?

  95. Geometry

    Step 2 - Identify which formula we use to prove certain properties of polygons. Below are properties of triangles/quadrilaterals you’ve been working with closely. Look at the properties given, then match it with the formula you would use to prove it.

  96. Geometry

    I really need some help please!!!!! Am I on the right tract? Given: ABCD is a parallelogram;

  97. geometry

    Prove that you have constructed point C on segment EF such that angle ACE is congruent to angle BCF. (Points A and B are on the same side of segment EF, but have different distances to the segment.) I am not sure if I am on the right track but this is how

  98. geomertry

    Prove that A(–2, 0), B(0, 9), and C(2, 0) and D(0, –9) are the vertices of a parallelogram. A. What are the properties of a parallelogram involving slope? B. What must we KNOW (regarding slopes and sides) to confirm the shape is a parallelogram? C. Do

  99. geometry

    given angle amd and zdm are right angles given: segment AM and ZD are congruent prove: angle a is congruent to z (CPCTC) I know that reflexive prop is needed and all right angles are congruent, also sas Please help with 3 statements_

  100. math

    I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.

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