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yuradex [85]
3 years ago
14

What is the definition of radians?

Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0
It's the relation between the arc length of a circle, and the measure of angle. Before radians, we could only measure in degrees, and use pi to convert from arc length and circumference and angle measure. But, with the introduction of radians, it's much easier to map the relation. Hope it helps!
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Look at the picture!! HELP ASAP
Inessa05 [86]
It is c
Rhomuses are slanted squares
4 0
3 years ago
Read 2 more answers
The perimeter of the rectangle is 76 units. Find the length of side pq
larisa [96]

Answer:   PQ=16\ units

Step-by-step explanation:

The missing figure is attached.

The perimeter of a rectangle is:

P=2l+2w

Where "l" is the lenght and "w" is the width.

You can identify in the figure that:

w=SR=PQ=2z+2\\\\l=QR=PS=3z+1

Then, knowing the perimeter of the rectangle, you can make the subsitution into the formula:

 76=2(3z+1)+2(2z+2)

Now you must simplify and solve for "z"

76=6z+2+4z+4\\\\76-6=10z\\\\70=10z\\\\\frac{70}{10}=z\\\\z=7

Finally, substituting the value of "z" into  PQ=2z+2, you get:

 PQ=2(7)+2=16\ units

6 0
3 years ago
THA<br> 8<br> ft<br> 12 ft<br> 18 ft<br> 8 ft<br> 16 ft<br> What’s the total?
Maru [420]

Answer:

The answer is 62

Step-by-step explanation:

First, you add 8 and 12 which is 20

Then, you add 20 and 18 which is 38

After that, you add 38 and 8 which is 46

Lastly, you add 46 and 16 which will equal to the total of 62

Hope that helps out! OwU

6 0
3 years ago
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What is the answer to cube root -2×(-6.5)- -2×(-3)+8×(-2)-8×2+5 square?​
skelet666 [1.2K]

Answer:

it 407

Step-by-step explanation:

4 0
3 years ago
Jamilla has a piece of ribbon that is 48.5 centimeters long. For her scrapbook,she cuts it into three pieces so the second piece
Alchen [17]
The first is x
the 2nd is 3 times the first or 3x
the third is 2 times long as the 2nd piece or 2(3x) or 6x


total length=1st piece+2nd piece+3rd piece
48.5=x+3x+6x
48.5=10x
divide by 10
4.85=x
3x=14.55
6x=29.1


the 3 pieces are 4.85cm, 14.55cm and 29.1cm
3 0
3 years ago
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