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max2010maxim [7]
4 years ago
12

Me.Turners class is making a large round spinner to use in math class.if the spinner has a radius of 3 feet, what is the area,of

the spinner
Mathematics
2 answers:
Novosadov [1.4K]4 years ago
8 0

Answer: formula of the area of the circle is ( pi x radius^2

3.14 x 3 = 9.42

9.42^2 = 88.73 ft

Step-by-step explanation

ozzi4 years ago
6 0

Area of a circle = pi x r^2

A = pi x (3)^2

A = pi x 9

A = 9pi ft^2 = 28.27 ft^2

Hope this helps!! :)

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jeka57 [31]

Answer:

The diameter of the circle is 14cm

Step-by-step explanation:

3 0
3 years ago
Find the volume of each ball. use the formula. where v is the volume and r is the radius. record the volume in table A of your s
pochemuha

Answer:

The volume of tennis ball = 38.808 cm^{3}.

                          Volume of golf ball = 33.523 cm^{3}.


Step-by-step explanation:

Given: The radius of the tennis ball is 2.1cm and the radius of thr golf ball is 2.0cm. the formula is V=4πr(to the 3rd power) /3 .

To find: Volume of tennis ball and golf ball .

Formula used: Volume = \frac{4 π r^{3} }{3} .

 pi(π) = \frac{22}{7} .

Explanation : We are given that

                     Radius of the tennis ball = 2.1 cm

                    radius  of the golf ball =2.0 cm.

We need to find the volume of each ball

So , plugging the given values of radius in above formula

Volume of the tennis =\frac{4*22(2.1)^{3} }{3*7}

On simplification we get, volume of tennis ball = 38.808 cm^{3}

Volume of the golf ball=\frac{4*22(2.0)^{3} }{3*7}

On simplification we get, volume of golf ball = 33.523 cm^{3}

Therefore , The volume of tennis ball = 38.808 cm^{3}.

                          Volume of golf ball = 33.523 cm^{3}.


7 0
3 years ago
Read 2 more answers
Is 3 /47 a terminating or a repeating number
katrin2010 [14]
I believe you’re asking 3 divided by 47, but no it does not terminate, it’s a never ending decimal (irrational)
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3 years ago
Solve for a 21a+17+15a=-48
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I hope this helps you

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3 years ago
A countertop is 16 feet long and 3 feet wide what is the area of the countertop in square meters
ahrayia [7]

Answer:

4.45935

Step-by-step explanation:

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3 years ago
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