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dexar [7]
3 years ago
15

If the area of a circle is 24.5cm^2, what is the circumference?

Mathematics
1 answer:
kobusy [5.1K]3 years ago
8 0

Answer:

Step-by-step explanation:

17.55cm

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a regular heptagon has a radius of approximately 27.87cm and the lengthof each side is 24.18cm. what is the approximate area of
Andre45 [30]
The Answer is B: 2,125 cm²


n = 7
a = 24.18 cm
r = 25.1051 cm
R = 27.8646 cm
A = 2124.65 cm²
P = 169.26 cm
x = 128.571 °
y = 51.4286 °


Agenda:
r = inradius (apothem)
R = circumradius 
a = side length
n = number of sides
x = interior angle
y = exterior angle 
A = area
P = perimeter
π = pi = 3.14159...
<span>√ = square root
</span>
Formula: A = (1/4)na2 cot(π/n) = nr2 tan(π/n)
3 0
3 years ago
Read 2 more answers
Through how many radians does the minute hand of a clock rotate from<br> 12:50 PM to 1:20 PM?
Dahasolnce [82]

Answer:

655Step-by-step explanation:

5

7 0
3 years ago
Name 6 elements of PQR.
icang [17]

Answer:

josh

rabeesh

ronger

roger

roge

robert

Step-by-step explanation:

5 0
3 years ago
What's the s in 9=s/3??
stira [4]

Answer:

27 =s

Step-by-step explanation:

9=s/3

We want to isolate s, so we will multiply by 3 on each side

9*3 = s/3 *3

27 =s

7 0
2 years ago
Read 2 more answers
What is the inverse of the function 9y - 6 = 3x ?
IgorC [24]

Answer:

Option (2)

Step-by-step explanation:

Given function is,

9y - 6 = 3x

y = \frac{3x+6}{9}

To find the inverse of the given function,

1). Substitute x in place of y and y in place of x.

x = \frac{3y+6}{9}

2). Now we have to solve this equation for the value of y.

9x = 3y + 6

3y = 9x - 6

y = (3x - 2)

Therefore, inverse of the given function is y = (3x - 2)

Option (2) will be the answer.

8 0
3 years ago
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