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AlekseyPX
3 years ago
11

Find the area of the circle.

Mathematics
1 answer:
julia-pushkina [17]3 years ago
7 0

Answer:

The formula used to find area of circle is: Area=\pi \:r^2

Step-by-step explanation:

We need to find area of the circle

<em>(Note: The data is missing in this question, so I will just explain how to find area of circle.)</em>

The formula used to find area of circle is: Area=\pi \:r^2

where r is radius of circle.

So, If we have value of r and we put π = 3.14, we can find area of circle.

Let us suppose that Radius of circle r = 5

Now, the area of circle having radius 5 is:

Area=\pi \:r^2\\Area=3.14 \times (5)^2\\Area=3.14\times 25\\Area=78.5

So, when radius of circle is 5, Area of circle is 78.5

So, Using the radius given in your question, you can find area of circle.

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CaHeK987 [17]

Answer:

Step-by-step explanation:

an = a1 * r^(n - 1)

a1 = first term = 5

r = -2

n = nth term of the sequence

so it starts with 5

second term is :

an = a1 * r^(n - 1)......for second term

a2 = 5 * -2^(2 - 1) =

a2 = 5 * -2^1

a2 = 5 * -2

a2 = -10

an = a1 * r^(n - 1)....looking for a3

a3 = 5 * -2^(3 - 1)

a3 = 5 * -2^2

a3 = 5 * 4

a3 = 20

an = a1 * r^(n - 1)....looking for a4

a4 = 5 * -2^(4 - 1)

a4 = 5 * -2^3

a4 = 5 * -8

a4 = - 40

an = a1 * r^(n - 1)...looking for a5

a5 = 5 * -2^(5 - 1)

a5 = 5 * -2^4

a5 = 5 * 16

a5 = 80

an = a1 * r^(n-1)...looking for a6

a6 = 5 * -2^(6 - 1)

a6 = 5 * -2^5

a6 = 5 * -32

a6 = -160

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4 years ago
A scientist is measuring the temperature change in a chemical compound. The temperature dropped 11 degrees F per hour from the o
devlian [24]
The original temperature was 134

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The ratio of total students in Ms. Murray's class to students in the class who have an older brother is 3 to 1. The answer is 1:
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The question is "What is the ratio of students in the class who dont have an older brother to students in the class with an older brother?"
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3 years ago
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a square measuring 9 inches by 9 inches is cut from a corner of a square measuring 15 inches by 15 inches. what is the area of t
AVprozaik [17]
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Now subtract the two areas to find the area of the shape that is left when the smaller square is cut out. 

225 - 81 = 144 

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144 in^2
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