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ollegr [7]
3 years ago
10

Pentagon ABCDE is rotated 90 degrees counterclockwise about the origin to form pentagon A’ B’ C’ D’ E’. What is the y-coordinate

if point C’?

Mathematics
2 answers:
Nat2105 [25]3 years ago
7 0

Answer:

4

Step-by-step explanation:

Hope this helped!

Sophie [7]3 years ago
5 0

Answer:

4

Step-by-step explanation:

<em>When rotating a point 90 degrees counterclockwise about the origin the  point A(x,y) becomes A'(-y,x). </em>

Point C has coordinates of (4, 3)

New coordinates will be C'(-3, 4)

<u>So the answer is:</u>

y-coordinate of C' is 4

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In the figure, AB is tangent to circle C. Find the length of DB.​
Andreyy89

Answer:

8.5

Step-by-step explanation:

First we need to get BC using the pythagoras theorem

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Hence the length of DB is 8.5

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4 years ago
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Answer:

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Step-by-step explanation:

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