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BigorU [14]
2 years ago
5

State a definition for a polygon inscribed in a sphere.

Mathematics
1 answer:
mojhsa [17]2 years ago
4 0

Consider the situation given below:

Let a regular polygon be inscribed in a sphere such that its circumcentre is at a distance r from the centre of the sphere of radius R. A point source of light is kept at the centre of the sphere. How can we calculate the area of the shadow made on the surface of the sphere.

I tried to use the relation: <span>Ω=<span>S<span>R2</span></span></span>

But of course that is the case when a circle would be inscribed. So can I somehow relate it for any general polygon?


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The sum of two rational numbers is -2. If one of the numbers is -14/5, find the other.
Marat540 [252]

Answer:

\frac{4}{5}

Step-by-step explanation:

\frac{ - 14}{5}  + x =  - 2 \\ x =  - 2 +  \frac{14}{5 }  \\ x =  \frac{ - 10 + 14}{5}  \\ \: x =  \frac{4}{5}  \\ therefore \: the \: other \: number \: is \:  \frac{4}{5}

7 0
3 years ago
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marusya05 [52]

Answer:

Wz I think

Step-by-step explanation:

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3 years ago
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PLZ HELPPP!!!!!!!!!! ASAP
salantis [7]

Answer:

They are consecutive terms in the Fibonacci Sequence.

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The sequence goes 1,1,2,3,5,8,13,21,...

Since 13 and 21 are consecutive here, that is the answer.

8 0
2 years ago
What is a fraction between -3/4 and -1/3
Yuki888 [10]

let's firstly convert both fractions with the same denominator, by simply <u>multiplying each fraction by the other's denominator</u>, let's proceed.

\bf -\cfrac{3}{4}\cdot \cfrac{3}{3}\implies \boxed{-\cfrac{9}{12}}~\hfill -\cfrac{1}{3}\cdot \cfrac{4}{4}\implies \boxed{-\cfrac{4}{12}} \\\\[-0.35em] ~\dotfill\\\\ \boxed{-\cfrac{9}{12}}~~,~~\stackrel{-\frac{2}{3}}{-\cfrac{8}{12}}~~,~~-\cfrac{7}{12}~~,~~\stackrel{-\frac{1}{2}}{-\cfrac{6}{12}}~~,~~-\cfrac{5}{12}~~,~~\boxed{-\cfrac{4}{12}}

5 0
3 years ago
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Solve y=x2 +7 fоr x.<br> ОА. x = t /у +7<br> ОВ. x= y +7<br> Ос. x=y-7<br> OD. х = + y -7
elena55 [62]

Answer:

x = ± \sqrt{y-7}

Step-by-step explanation:

Given

y = x² + 7 ( subtract 7 from both sides )

y - 7 = x² ( take the square root of both sides, thus

x = ± \sqrt{y-7}

5 0
2 years ago
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