# A triangle is dilated with the center of dilation at point U. Point E is a vertex of the triangle and point E′ is the corresponding vertex of the image. If UE = 2 centimeters and U′E′=10 centimeters, what is

43,103 results
1. ## Geometry

Hello! Please help! The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation an enlargement or reduction? Find the scale factor of the dilation. The solid triangle has the points A(-6,0) B(6,5) and

2. ## Alegebra

Triangle ABC is dilated with a center at the origin and a scale factor of 2. (Picture showing the coordinates A(-2,2) B(1,3) C(1,0) What are the coordinates of triangle ABC? Also, please don't give me the answer but can someone please explain to me how you

Which of the statements about the picture below is true? Choose 3. postimg(.)org/image/qb71bjkjh/f11870c4/ A. F is the circumcenter of the triangle

4. ## Math

1. Where is the incenter of any given triangle? A) the point of concurrency of the altitudes of the triangle. B) The point of concurrency of the medians of the triangle. C) The point of concurrency of the perpendicular bisectors of the triangle. D) The

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) A) (–2, 4) and (6, 6) B) (2, 4) and (6, 6) C)(–2, 4) and (6, –6) D)(2, –1) and (–3, 3) 2. Given a scale factor

Where is the circumcenter of any given triangle? the point of concurrency of the altitudes of the triangle the point of concurrency of the perpendicular bisectors of the sides of the triangle the point of concurrency of the bisectors of the angles of the

7. ## Geometry

Where is the centroid of any given triangle? A. the point of concurrency of the altitudes of the triangle. B. the point of concurrency of the medians of the triangle. C. the point of concurrency of the perpendicular bisectors of the triangle. D. the point

8. ## Geometry

2. The dashed triangle is a dilation image of the solid triangle. What is the scale factor? (1 point) The coordinates of the solid triangle are A (2,2) B (-2,2) and C (4,-2). A' is (-4,4) B' is (4,4) and C' is (8,-4). Options are A. 1/4 B. 1/2 C. 2/3 D. 2

9. ## geometry

Point (3,1) is dilated by a scale factor of -1/3. The center of dilation is at the origin. Find the coordinates of the image.

10. ## mathematics

△ABC (A=2,1 B=2,2 C=4,2) is dilated by a scale factor of 2 using the origin as the center of dilation. What are the new coordinates of △A'B'C'?

11. ## Math

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of one-half , find

12. ## Math III

Which of the following statements are true? a. the incenter of a triangle is equidistant from all three vertices of that triangle b. The incenter of a triangle always lies inside that triangle c. the incenter of a triangle is the point of concurrency of

13. ## Geometry

find the coordinate of the image of the point (-3, -1) dilation with center at the origin, scale factor 2. a. (1.5, .5) b. (6, 2) c. (-6, -2) d. (-1.5, -.5)

14. ## Geometry

A dilation has center (0, 0, 0). Find the image of the point (-1, -2, 0) for the scale factor of 3. Please help? Thanks

15. ## math

Which point has the coordinates(-0.5,- 2.5 )? A.point A B.point B*** C.point C D.point D What are the coordinates of point C? A. (-1, 2) B. (- 2,2) C. ( 1.5 ,2)*** D. (- 1.5, 2) Which statement is true about the ordered pair (1.5,- 0.5) ? A. The

16. ## math

Rectangle ABCD is dilated to form rectangle A’B’C’D’. What is the dilation factor? What is the center of dilation? Select all that apply. The figure shows two rectangles UpperWord ABCD and UpperWord A complement, B complement, C complement, and D

17. ## math

Triangle `A 1,3 B 2,5 C 4,3 ` is dilated by a scale factor of 2 using point `B` as the center of dilation. Give the vertices of triangle `A'B'C'`

18. ## geometry

Under a dilation, triangle A(0,0), B(0,3), C(5,0) becomes triangle A′B′C′. The scale factor for this dilation is 3. What is the length of A′B′, in inches? 12? I have looked at khan academy videos and still don't understand it. Please help me!

19. ## Math help ms sue.

Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother has a miniature village

20. ## Geometry

The point A(-8,-2) is dilated about the origin by a scale factor of k=1/2 find the coordinates of A after the dilation

21. ## Math

find the coordinates of the image of the point (5, -1) dilated with center at the origin, scale factor 3

22. ## Math

Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN. Triangle L'M'N' is a

23. ## Math I REALLY NEED HELP!!!!!!!!!

A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4)

24. ## math

A triangle has vertices with coordinates (2, 0), (3, -1), and (-2, -5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image.

25. ## geometry

Dilate triangle ABC with vertices A(-6,6), B(4,8), C(2,10) by a scale factor of 1/2 using a center of dilation of (0,0). Name and label the image points.

26. ## Math

Triangle TUV is dilated by a scale factor of 2.5. The cent of dilation is point T T = -5 U = -2 V = -4 What are the coordinates of V? A. (-5, -10) B. (-2, -6.5) C. (-2, -10) D. (-0.5, -6.5) E. (2.5, -10)

27. ## algebra

How can you determine the coordinates of any image that is dilated with the center of dilation at the origin without graphing? Explain your reasoning.

28. ## Math

1. Write the ratio in the simplest form. 50: 10 (1 point) 25: 5 10: 2 5: 1* 1: 5 2. Solve the following proportion x over 2 = 8 over 9 (1 point) 144 0.44 1.78* 36 3. Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet

29. ## Geometry

Myles was asked to draw a triangle xyz and then dilate it using the origin aa the center of dilation and a scale factor of 0.75.he thinks adding 0.75 units to the coordinates of the vertices of xyz will help him draw the dilated image. Explain why miles is

30. ## Geometry (Please check my work)

A segment has endpoints M(6,15) and N(-3,9). The image of the segmen for a dilation with center (0,0), has endpoints M'(2,5)and N (-1,3). What is the scale factor of dilation? A. 2

31. ## geometry

A right triangle is dilated by a factor of 3.5. Which statements about the resulting triangle must be true? Select all that apply. (There is more than one answer) It is smaller than the original triangle. It is an isosceles triangle. It is larger than the

32. ## Translations

Point Q is the image of point P under a dilation with center O and scale factor 4. If PQ = 18, then what is OP?

33. ## math

What is the image of point A(3,1) after a dilation with the center at the origin and a scale factor of 4?

34. ## geometry

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ? Use the distance formula to help you decide: .

35. ## Math

A square with a perimeter of 20 units is graphed on a coordinate grid. The square is dilated by a scale factor of 0.4 with the origin as the center of dilation. If (x, y) represents the location of any point on the original square, which ordered pair

36. ## Algebra

Point A (4, 8) is mapped to point D (10, 20) with a dilation centered at the origin. Which of the following is the scale for this dilation?

37. ## Math

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3.

38. ## math

Polygon ABCD is dilated by a scale factor of 2 with the center of dilation at the origin to create polygon A′B′C′D′. If the endpoints of are located at (0, -7) and (8, 8), what is the length of ? Use the distance formula to help you decide:

39. ## algebra, HELP!

9. The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle? (1 point) 320 cm 80 cm 120 cm 60 cm 10. A right triangle has an area of 13 m2. The dimensions

40. ## math

The point (5, -7) is dilated by a scale factor of 4 about the origin. Find the location of the new point. Show your work.

41. ## Math: Geometry

isosceles trapezoid ABCD is shown below with a line ef drawn through its center. Of the isosceles trapezoid is dilated using a scale factor of 1/2 and a line is drawn through the center of the new dilated figure, what relationship will that line have with

42. ## Geometry

Triangle TUV is mapped onto T'U'V' by a dilation with a scale factor of 1/2 and center (2,-3) followed by a reflection over the x axis what are the coordiantes of T'U'V"

43. ## math

Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).The slope of MN is

44. ## mathematics

What is the image of point B(4,-4) after a dilation with the center at the origin and a scale factor of -2?

45. ## algerbra

Polygon ABCD is dilated by a scale factor of 2 with the center of dilation at the origin to create polygon A′B′C′D′. If the endpoints of are located at (0, -7) and (8, 8), what is the length of ? Use the distance formula to help you decide:

46. ## Math

A triangle is dilated with the center of dilation at point U. Point E is a vertex of the triangle and point E′ is the corresponding vertex of the image. If UE = 2 centimeters and U′E′=10 centimeters, what is the scale factor? A. −5.0 B. −0.2 C.

47. ## Gemotery

Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).

48. ## Geometry

QR passes through point S and is perpendicular to TU at S. Suppose QR is dilated by a scale factor of 1/3 centered on point S. Which of the following statements is true for the dilated lines? 1. The dilated line segments intersect at S but are not

49. ## Math

A wire that weighs 9 ounces per meter is stretched from point D to point B. Another wire is stretched from point B to point A that weighs 8 ounces per meter. If you know the total weight of the two wires is 197 ounces, how far is it from point B to C? *On

50. ## math

are the answers b. c a d b c 9. The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle? (1 point) 320 cm 80 cm 120 cm 60 cm 10. A right triangle has an

51. ## math

point q is the image of point p under a dilation with center o and scale factor 5. if p = 20 what is op

A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4) No one has answered

53. ## math

Triangle CAT is located at C (-5, 2), A (-4, 4), T (-1, 2). Find the coordinates of its image after a dilation with a scale factor of 4. 19. Square ABCD was dilated to form square A’B’C’D’. What scale factor was used? 20. Tell whether the pair of

54. ## Algebra

With the origin as the center of dilation, rectangle PQRS will be dilated by a scale factor of 6x24 to form rectangle P’Q’R’S’ . 220x219 What will be the length of 23x10 ? A 3 units B 2 units C 27 units D 18 units I chose D, I read and watched a

55. ## Geometry - Dilation of a square

The preimage of square ABCD has its center at (8,-8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex

56. ## Math

Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother has a miniature village

openstudy(.)com/updates/attachments/514a5d2ae4b05e69bfac38d2-mimisilly-1363828099165-ikk.png The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation a enlargement or reduction? Find the scale factor. I

58. ## Algebra

Do the ratios have to have the same scale factor to be a dilation? My friend says yes, or else the scale factor would be useless. I on the other hand say no because it's still a dilation as it's an reduction. Here's the instructions: "For Exercises 5-8,

59. ## math

triangle abc has coordinates a -1,1 b 1,1 c 0,-1 triangle xyz will be a dilation of triangle abc with a scale factor of 3 at what coordinates should point x of triangle xyz be plotted

61. ## Physics

3 equal charges (all +Q) are located at A, B and C. ABC is an equilateral triangle with sides d. Point A is located at (0,0), point B at (d,0), point C at (d/2,d3√/2). Point P is inside the triangle such that AP=BP=CP. What is the electric field at P -

62. ## Math

A triangle is dilated with the center of dilation at point U. Point E is a vertex of the triangle and point E' is the corresponding vertex of the image. If UE=2 centimeters and U'E'=10 centimeters, what is the scale factor? A. -5.0 B. -0.2 C. 0.2 D. 5.0***

63. ## Math

A triangle is dilated with the center of dilation at point U. Point E is a vertex of the triangle and point E' is the corresponding vertex of the image. If UE=2 centimeters and U'E'=10 centimeters, what is the scale factor? A. -5.0 B. -0.2 C. 0.2 D. 5.0***

64. ## Geometry

Point B(-3,7) is reflected across the line y=-x and then dilated with a scale factor of 3 and the center of dilation at the origin. What are the coordinates of point B" under the composition of transformations

65. ## algebra

How can you determine the coordinates of any image that is dilated with the center of dilation at the origin without graphing? Explain your reasoning. Please help

66. ## geometry

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ?

67. ## geometry

2. the dashed triangle is a dilation image of the solid triangle. what is the scale factor (1 point)

68. ## Geometry

1) find the coordinate of the image of point (1,2) translated left 2 units and reflected over the x -axis 2) Find the coordinate of the image of the point (2, -4) reflected over the x-axis 3) Determine the midpoint of the segment whose endpoints are A(7,

69. ## mathematics

Let Q be the center of equilateral triangle ABC. A dilation centered at Q with scale factor -4/3 is applied to triangle ABC, to obtain triangle A'B'C'. Let S be the area of the region that is contained in both triangles ABC and A'B'C'. Find A/[ABC]. I

70. ## college physics

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would

72. ## Geometry

What is the scale factor of a dilation centered at the origin that maps the point (12, -8) to the point (-7.2, 4.8)?

73. ## Physics

3 equal charges (all +Q) are located at A, B and C. ABC is an equilateral triangle with sides d. Point A is located at (0,0), point B at (d,0), point C at (d/2,d3√/2). Point P is inside the triangle such that AP=BP=CP. What is the electric field at P -

74. ## Geometry

Point AC is parallel to Point DB at point O. DB and AC bisect each other. Triangle AOD IS CONGRUENT to triangle COB. PROVE.

75. ## physics

Three charges are placed on the vertices of an equilateral triangle whose side is 0.025 m. Find the net electric field at the center of the base of the triangle (point P). q1= - 3.0 mC , q2= -2.0 nC , q3= +4.0 nC.

76. ## math

A rectangle with a perimeter of 40 units is graphed on a coordinate grid. The rectangle is dilated by a scale factor of 0.3 with the origin as the center of dilation. If (x, y) represents the location of any point on the original rectangle, which ordered

77. ## math

A triangle has vertices with coordinates (2, 0), (3, -1), and (-2, -5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image.

78. ## Geometry

Please help, I’m stuck and need help with these! 1. The point (1, 1) is the image under the translation (x, y) --> (x + 3, y - 3). what is the preimage of this point? 2. A dilation has center (0, 0, 0). find the image point of (-1, -2, 0) for the scale

79. ## math

how can you determine the coordinates of any image that is dilated with the center of dilation at the origin without graping explain your reasioning

The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g

81. ## Physics

The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g

82. ## Math

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) (–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of 1

83. ## Physics

This question was posted earlier but the explanation given was confusing. The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an

84. ## geometry

a segment with a length 7 cm is dilated with center 0 and scale factor 1/4. The image of the segment is then dilated with center p and scale factor 2. find the length of the image after each dilation.

85. ## Math

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3. I'm not sure how to do this.

86. ## Geometry

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3. Please help!

87. ## Geometry

Given triangle ABC, AD bisects angle BAC,and AE=ED Prove AE/AC=BD/BC Because I cant draw it I will explain. Its a triangle, A is the point at the top, B is the point at the bottom left and C is the point at the bottom right.There is a line going right down

88. ## Math

The distance between the point in my center and any point on my outline is equal. What am I? a.Triangle b.Octagon c.Circle d.Square

89. ## Math

trigonometry Determine the distance from Point A to the top of the tree. (The tree in the big triangle makes a 90 degree angle with the ground and the smaller triangle is a similar triangle. The bottom of the tree is 30m from point A) * point a to the

90. ## geometry

Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°-45°-90° triangle and segment JK is one of the legs. What are the coordinates of point L? j(2.7) point k(2,2) point and the answers are,

91. ## Physics

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would

92. ## Physics pls anyone can help me? its urgent

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would

93. ## math

Triangle ABC is an equilateral triangle with side length AB=22. Place a point D on the line segment BC. Extend BC to the point E such that BD=CE. point E is defined as lying on BD and satisfying BD=CE.What is the value of DE?

94. ## math

A stirring blade is attached at the level of the center of the wheel. Find the distance from the center of the wheel to the stirrer blade for 30° and 225° angles of rotation. The radius is 2ft and the rod of the blade attached to the blade is 5ft long.

96. ## Geometry

What is the scale factor of a dilation centered at the origin that maps the point (12, -8) to the point (-7.2, 4.8)? Please show work as it will help me better understand, thanks so much!

97. ## physics

An equilateral triangle with sides 2 m each has a charge of 30 μC at each of its three corners. Determine the electric field at a point 5 m above the center of the triangle.

98. ## MATH

Which point of concurrency in a triangle is the center of a circle that contains the vertices of the triangle?

99. ## Geometry

Which takes up more space: A single circle inscribed in a triangle, touching each side at a single point? Or, four identical circles, with 3 of them touching the center circle, and those same 3 touching one point each on the three sides of the