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2 years ago

Which polygon has the most sides? decagon 20-gon nonagon dodecagon

Mathematics

2 answers:

Ket [755]2 years ago

8 0

Answer:

decagon = a plane figure with ten straight sides and angles.

20-gon = In geometry, an icosagon or 20-gon is a twenty-sided polygon. The sum of any icosagon's interior angles is 3240 degrees.

nonagon = a plane figure with nine straight sides and nine angles.

dodecagon = a plane figure with twelve sides.

Step-by-step explanation:

e-lub [12.9K]2 years ago

6 0

Answer:

decagon = 10

nonagon = 9

dodecagon = 12

Step-by-step explanation:

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A right circular cylinder has a height of 22 1/4 ft and a diameter 2 2/5 times its height. What is the volume of the cylinder? E

Triss [41]

Answer:

The volume of cylinder is:

49806.06 ft^3

Step-by-step explanation:

We are given a right circular cylinder with:

Height(h)= $22\frac{1}{4}ft=\dfrac{89}{4}ft$

and a diameter is $2\frac{2}{5}$ times it's height.

i.e. $\dfrac{12}{5}$ times it height.

i.e. the diameter is given as:

$\dfrac{12}{5}\times \dfrac{89}{4}=\dfrac{267}{5}ft.$

We know that the radius of cylinder is half the diameter.

Hence, radius(r) of cylinder is:

$\dfrac{1}{2}\times \dfrac{267}{5}\\\\=\dfrac{267}{10}$

The volume(V) of cylinder is given by:

$V=\pi r^2h$

$V=3.14\times (\dfrac{267}{10})^2\times \dfrac{89}{4}\\\\V=\dfrac{19922423.94}{400}\\\\V=49806.06ft^3$

Hence, the volume of cylinder is:

49806.06 ft^3

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3 years ago

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Inga [223]

Answer:

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Step-by-step explanation:

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2 years ago

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Vladimir79 [104]

Answer:

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