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pishuonlain [190]
3 years ago
5

A rotation of 180 doesn't matter if it's clockwise or counterclockwise because

Mathematics
2 answers:
stira [4]3 years ago
8 0
It goes to the opposing side of the circle, its a semicircle, or straight angle either way.
kirill [66]3 years ago
6 0
If it goes around the circle counterclockwise its 180 degrees. If you go clockwise its negative 180 degrees. Negative 180 degrees =360-180=180. So it ends at the same spot.
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QveST [7]

Answer:

area =  \frac{1}{2} (base)(height) \\ area =  \frac{1}{2} (35cm)(12cm) \\ area =  \frac{1}{2} (420 {cm}^{2} ) \\ area = 210 \:  {cm}^{2}

3 0
2 years ago
What is the center and radius of the circle that has the equation x+72+y-42=49? Explain.
balu736 [363]

Answer: The center is (-7, 4) and the radius is 7.

Step-by-step explanation:

The equation for a circle usually is:

(x - a)^2 + (y - b)^2 = R^2

where R is the radius, and (a, b) is the center of the circle.

I guess that the equation in this case is:

(x + 7)^2 + (y - 4)^2 = 49

then, in this case we have:

a = -7 and b = 4, then (a, b) = (-7, 4)

this means that the center of our circle is in the point (-7, 4)

and we know that:

R^2 = 49

R = √49 = 7

Then the radius is equal to 7.

3 0
3 years ago
Solves the inequality. Write your final answer in interval notation:<br><br> -3(2x+1) &gt; -2(x+6)
3241004551 [841]

-3(2x+1) > -2(x+6)

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-6x -3+6x > -2x - 12+6x


-3>4x-12


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9 > 4x

4x<9

x<4/9


(-∞, 4/9)

7 0
3 years ago
What is the perimeter of a regular nonagon with a side length of 21
vagabundo [1.1K]
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9 sides times 21 per side

7 0
2 years ago
Read 2 more answers
Please help me with this
Leto [7]
AB is similar to YZ
AC is similar to YX
CB is similar to XZ

you put the triangles next to each other. since they are the same shape. same kind of triangle. one is just bigger than the other.
7 0
2 years ago
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