3 years ago

Give an example of a geometric formuka that xontainas pi

Mathematics

1 answer:

postnew [5]3 years ago

8 0

Pir^2

2pi2

Hope this helps

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PLEASE HELP, ILL GIVE BRAINLIEST! SIMPLE MATHS.

dusya [7]

The answer is c i’m pretty sure

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2 years ago

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Need help ASAP!!!!! I WILL GIVE THE MOST BRAINLIEST TO THE FIRST PERSON THAT ANSWERS

lys-0071 [83]

Answer:

$x^2 + 10x + y^2 -4y + -7 = 0$

Step-by-step explanation:

For any circle point with coordinate of center (a,b) and radius r

equation of circle is given by

$(x-a)^2 + (y-b)^2 = r^2$

_______________________________________

Given

coordinate of center = (-5,2)

radius = 6

thus, equation of circle can be written by substituting a and b with (-5 ,2) and r =6 as shown below

$(x-a)^2 + (y-b)^2 = r^2\\(x-(-5))^2 + (y-2)^2 = 6^2\\x^2 + 10x + 25 + y^2 -4y + 4 = 36\\=>x^2 + 10x + y^2 -4y + 29 = 36\\=>x^2 + 10x + y^2 -4y + 29 -36 = 36 -36\\=>x^2 + 10x + y^2 -4y + -7 = 0$

Thus, equation of circle is $x^2 + 10x + y^2 -4y + -7 = 0$

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3 years ago

Find the value of in the triangle shown below.

Vesnalui [34]

Step-by-step explanation:

in isoscles triangles two angles and lengths are equal .

two sides equal 3.5

so both of the angles are 55°

the sum of the angles in a triangle is 180°, so

x = 180° - 55° - 55°

x = 70° (Ans)

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2 years ago

Someone help please, i cant solve this one :|

andrey2020 [161]

Answer:

i think its B

Step-by-step explanation:

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3 years ago

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Sveta_85 [38]

Answer:

{x|x rx>-2}

Step-by-step explanation:

hope helpful answer

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2 years ago