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olasank [31]
3 years ago
10

I will mark brainlist and 5 stars, please help.

Mathematics
2 answers:
gtnhenbr [62]3 years ago
8 0

Answer:

c

Step-by-step explanation:

since the rectangles are similar their sides are in proportion

h/210 = 60/84

h= 60*210/84 = 150 cm

Vedmedyk [2.9K]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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Brilliant_brown [7]

The circle equation in polar coordinates is:

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<h3>How to change the coordinates of the circle equation?</h3>

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First, we expand it to:

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Now we can rewrite it as:

x^2 + y^2 -4x + 4y + 4 + 4 = 8\\\\x^2 + y^2 - 4x + 4y = 0

Remember that:

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Replacing that, we get:

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brainly.com/question/14965899

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