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cluponka [151]
3 years ago
14

What is the equation of a circle whose center is at (-2, 1) and radius is 2.2?

Mathematics
1 answer:
Lena [83]3 years ago
3 0
C is the correct answer
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What is the area of a sector of a circle with a radius of 2.0 ft and a central angle of 2<img src="https://tex.z-dn.net/?f=%20%5
Zigmanuir [339]
\bf \qquad \textit{area of a sector of a circle}&#10;\\\\&#10;A=\cfrac{\theta r^2}{2}\qquad &#10;\begin{cases}&#10;\theta=\textit{angle in radians}\\&#10;r=radius&#10;\end{cases}

plug in the provided radius and angle
6 0
3 years ago
In congruent figures, corresponding angles have equal measures. true or false?
algol [13]
This is true

Think of two houses. If we say "the houses are identical" then the corresponding pieces must be the same (eg: the doors must be the same type out of the same material). In this analogy, the houses are the triangles, which are the overall structures. The doors are the angles since they are pieces of the overall structures. This is what CPCTC is saying

CPCTC = Corresponding Parts of Congruent Triangles are Congruent

Once again, the final answer is true.
8 0
3 years ago
Given (x – 7)2 = 36, select the values of x.
Aneli [31]
Regroup
2(x-7)=36
Divide both sides by two
X-7= 36/2
Simplify 36/2 to 18
X-7=18
Add 7 to both sides
X=18+7
Simplify 18+7 to 25
X = 25
6 0
2 years ago
Read 2 more answers
I need help ASAP Please- show me how to work this problem ​
madam [21]

9514 1404 393

Answer:

  70° (number in the blank at the bottom)

Step-by-step explanation:

You need to know the meaning of "complement of an angle."

Complementary angles have a sum of 90°. So, the complement of 20° is the angle that makes the total 90°. It is 70°.

The line at the bottom of the figure tells you how to work the problem. It says "the cosine of an angle is the sine of its complement." If you put numbers in this statement, it tells you ...

  the cosine of 20° is the sine of 70°

So, the answer to the question at the top of the page is ...

  look up the value of sin(70°) in the table

7 0
3 years ago
If a ∥ b and e ∥ f, what is the value of y?
ruslelena [56]

Answer:

What is a b e and f u just said // I think its supposed to be a number

Step-by-step explanation:

4 0
3 years ago
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