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k0ka [10]
2 years ago
8

PLEASE I NEED HELP ASAP

Mathematics
2 answers:
devlian [24]2 years ago
8 0

Answer:

<em>19 </em>

Step-by-step explanation:

(4d - 1)° + 105° = 180°

4d - 1 + 105 = 180

4d = 76

d = <em>19</em>

Lubov Fominskaja [6]2 years ago
7 0

Answer:

19

Step-by-step explanation:

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Answer:

M' (5,-1)

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Step-by-step explanation:

We want to find the coordinates of Quadrilateral MDAW with vertices M(-1, 5), D(1,5), A(4,3), and W(-1,4) after a reflection across y = x.

We can find these coordinates by following the following rule:

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Explanation of rule: Simply swap the places of the x and y values.

Applying rule to given coordinates:

M(-1,5) -----> swap x and y values -----> M'(5,-1)

D(1,5) ----> swap x and y values -----> D'(5,1)

A(4,3) -----> swap x and y values -----> A'(3,4)

W(-1,4) -----> swap x and y values -----> W'(4,-1)

So the coordinates of Quadrilateral MDAW  after a reflection over the y = x  line are M'(5,-1) , D'(5,1) , A'(3,4) , W'(4,-1)

For more validation, refer to the attached image

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Step-by-step explanation:

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