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Advocard [28]
3 years ago
5

What is the radius of a dodecagon with side lengths of 4 cm

Mathematics
2 answers:
Darya [45]3 years ago
4 0
Radius<span>. = s. 2. sin. 180. n</span>
Sergeu [11.5K]3 years ago
3 0
The radius of a dodecagon with side lengths is .5

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Factor.
Ivahew [28]

Answer:

(x² - 3)(x² + 3)

Step-by-step explanation:

x^{4} - 9 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b) , thus

x^{4} - 9

= (x² )² - 3²

= (x² - 3)(x² + 3)

6 0
3 years ago
How do you find the area of a triangle
Anna007 [38]
Salutations!

How do you find the area of a triangle

To find the area of a triangle, you need to know the formula of the triangle to work it out. The following is the formula of the triangle:

hb/2 

H - height

B- Base

You need to multiply the base and height and divide it by 2.

Lets solve a question!

Find the area of a triangle with a base of 32mm and a height32 * 35 of 35mm

Area = hb/2

         = 32* 35

          = 1120

          = 1120/2

           = 56cm^2

Hope I helped (:

Have a great day!
3 0
3 years ago
Kelly's test score is 6 points higher than Mike's
Anna35 [415]

Answer:

Lets mikes point be M

Therefore Kelly's point=M+6

8 0
3 years ago
Which of the following is the correct set of ordered pairs for The Jeans Source?
Anni [7]
Number 3 bc it’s by 25
5 0
3 years ago
Read 2 more answers
Solve the equation 7 − 2x = 19.
Karolina [17]

Answer:

-6

Step-by-step explanation:

firstly arrange whole equation,

-2x+7=19

Now, Transpose 7 to RHS (right hand side)

-2x=19-7

-2x=12

Further, seperate coefficient -2 from x

and transpose it to RHS and divide them

x=12/-2

Hence, x= -6

8 0
3 years ago
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