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torisob [31]
2 years ago
14

For A-C, select True or False for each statement about the sequences of transformations that can verify that triangle ABC is con

gruent to A'B'C'.
True or false

Mathematics
1 answer:
nalin [4]2 years ago
4 0

Answer:

True, False, True

Step-by-step explanation:

To prove congruency, the sequence of rigid motions needs to map the preimage onto the image.

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Which of the following descriptions represents the transformation shown in the image​
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Answer:  A. 270° rotation, 3 units left, and 2 units up

<u>Step-by-step explanation:</u>

C = (1, 1)        D = (3, 3)          E = (2, -2)

270° rotation counterclockwise means (x, y) = (y, -x)

new C = (1, -1)        new D = (3, -3)         new E = (-2, -2)

3 units left means subtract 3 from the x-coordinate

newer C =( -2, -1)        newer D = (0, -3)      newer E = (-5, -2)

2 units up means add 2 to the y-coordinate

C' = (-2, 1)       D' = (0, -1)       E' = (-5, 0)

Since the first option worked, there is no need to check the other options.

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3 years ago
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PLEASE HELP I'M CONFUSED! The measures of two adjacent angles have a ratio of 3:5. The sum of the measures of the two adjacent a
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75<span>°. So divide 120 by 8, then multiply 8 with 15. That's the measure of the larger angle. </span>
5 0
3 years ago
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Find each measure <br><br> Please help me
Crazy boy [7]

Answer:

see explanation

Step-by-step explanation:

∠ YXW = ∠ ZXV ( vertically opposite angles ) , so

4a + 15 = 2a + 65 ( subtract 2a from both sides )

2a + 15 = 65 ( subtract 15 from both sides )

2a = 50 ( divide both sides by 2 )

a = 25

Then

(7)

∠ ZXV = 2a + 65 = 2(25) + 65 = 50 + 65 = 115°

(8)

∠ YXW = ∠ ZXV = 115°

∠ ZXY and ∠ ZXV are adjacent angles and sum to 180° , that is

(9)

∠ ZXY = 180° - 115° = 65°

(10)

∠ VXW = ∠ ZXY = 65° ( vertically opposite angles

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El has $10.25 to spend at
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No . but she can buy 2 of the books but not all 3
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