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Harman [31]
2 years ago
10

Libby is putting together a piece of furniture. She notices that two of the pieces form a right angle.

Mathematics
1 answer:
stealth61 [152]2 years ago
5 0

Answer:

I need more info...........

Step-by-step explanation:

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Figure B is a scaled copy of Figure A.
elixir [45]

Answer:

The scale factor would be 1/2.

Step-by-step explanation:

2 of the sides both are 4 units.

If you go to figure B, it got smaller.

So in this case, you would divide.

On figure B, 2 of the sides are 2 units.

If you did it in reverse, you would get 2 because 2 times 2 is 4.

But we divide, so 4/2 is 2, so the scale factor would be:

1/2

Hope this helped!

And brainliest pls :)

6 0
2 years ago
The formula for finding the area of a circle is A=pi r 2.Solve the formula for r
olga55 [171]

Answer:

See Explanation

Step-by-step explanation:

A = \pi {r}^{2}  \\  \\  \frac{A}{\pi}  =  {r}^{2}  \\  \\ \huge \red{ \boxed{ r =  \sqrt{\frac{A}{\pi}  } }}

3 0
3 years ago
Find a pair of square numbers which give a difference of 39
nadya68 [22]
64-25=39 All the square numbers are 1,4,9,16,25,36,49,64,81,100
5 0
3 years ago
The circumference of a circle is 6.28. What is the area of the circle.
Rom4ik [11]
Hello there! Thank you for asking your question here at Brainly. I will be assisting you today with how to handle this problem, and will teach you how to handle it on your own in the future.

First, let's evaluate the question.
"The circumference of a circle is 6.28. What is the area of a circle?"

Now, let's remember the different formulas for area and circumference.
The circumference is "2•3.14•r", while the area is "3.14•r•r".

We have our circumference, 6.28.
However, we are looking for the area. Since we have the circumference, we need to narrow down to the radius (so we can solve for the area).
Let's set this up as an equation;
C = 2 • 3.14 • r
Plug in the value for our circumference.
6.28 = 2 • 3.14 • r
Multiply 2 by 3.14 and r to simplify the right side of the equation.
2 • 3.14 • r = 6.28 • r = 6.28r

We're now left with:
6.28 = 6.28r
Divide both sides by 6.28 to solve for r.
6.28 / 6.28 = 1
6.28r / 6.28 = r

We are now left with the radius:
R = 1.

Now, we can solve for the area.
Remember our formula for the area.
A = r • r • 3.14.
Plug in 1 for r.
A = 1 • 1 • 3.14
A = 3.14.

Your area is 3.14 units^2.

I hope this helps, and has prepared you for your future problems in relation to this topic!
6 0
3 years ago
Read 2 more answers
Talia needs to paint a 9.5 foot metal rod. She wants to place it on a tarp so the paint does not drip on
nikklg [1K]
She needs to buy a new one
4 0
3 years ago
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