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PolarNik [594]
3 years ago
10

If a figure has been dilated by a scale factor of one third, which transformation could be used to prove the figures are similar

using the AA similarity postulate? A translation because it can map one angle onto another since dilations preserve angle measures of triangles. A rotation because it can change the orientation of a figure since dilations do not preserve orientation. A dilation because it can map one side onto another since dilations preserve side length of triangles. A reflection because it can change the orientation of a figure since dilations do not preserve orientation.
Mathematics
2 answers:
uysha [10]3 years ago
5 0

Answer:

A translation can map one angle onto another since dilations preserve angle measures of triangles.

Step-by-step explanation:

dezoksy [38]3 years ago
5 0

Answer:

the answer is b

Step-by-step explanation:

took the test

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Please help, very confused
miss Akunina [59]

Answer:

1.

-3x + 8y = -5

6x + 2y = -8

Set the equations to a common variable.

-3x + 8y = -5 → 8y = 3x - 5 → y = 3/8x - 5/8

6x + 2y = -8 → 2y = -6x - 8 → y = -3x - 4

Set the equations equal to each other.

3/8x - 5/8 = -3x - 4

Combine like terms.

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Divide by 3.375

x = -1

Plug x back in to find y.

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2.

3x + 2y = -16

-3x - 8y = 46

Set the equations to a common variable.

3x + 2y = -16 → 2y = -3x - 16 → y = -3/2x - 8

-3x - 8y = 46 → -8y = 3x + 46 → y = -3/8x - 23/4

Set the equations equal to each other.

-3/2x - 8 = -3/8x - 23/4

Combine like terms.

-9/8x = 9/4

or

-1.125x = 2.25

Divide by -1.125

x = -2

Plug x back in to find y.

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-6 + 2y = -16

2y = -10

y = -5

answer: (-2, -5)

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