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NO!

Quadrant 1 is top right (x,y) Both positive

Quadrant 2 is top left ( -x,y) ('x' is negative, 'y' is positive)

Quadrant 3 is bottom left (-x,-y)(Both negative)

Quadrant 4 is bottom right ( x,-y). ( 'x' is positive , and 'y' is negative).

10 sided 2D shape is called a decagon

20 sided 2D shape is called a icosagon

30 sided 2D shape is a swimming pool

40 sided 2D shape is unknown

50 sided 2D shape is unknown

60 sided 2d shape is unknown

70 sided 2d shape is unknown

80 sided 2d shape is unknown

90 sided 2d shape is unknown

100 sided 2d shape is unknown

110 sided 2d shape is unknown

111 sided 2d shape is unknown

120 sided 2d shape is unknown

130 sided 2d shape is unknown

For a polygon of that size, scientists would use the term "nonillion-gon."

About 40 feet. Circumference = 3.14 x diameter

There are π radians in a half circle.

This is because a full circle has 2π radians, and a half circle is simply half of a full circle. Therefore, it has half the number of radians as well.

Here's another way to think about it:

360 degrees is equal to 2π radians.

Therefore, 180 degrees (which is half of 360 degrees) is equal to π radians.

So, no matter how you approach it, the answer is the same: there are π radians in a half circle.

Remember the circle eq'n

C = pi d

AlgebraicaLLY REARRGANGE

d = C / pi

d = 22/3.141502....

d = 7.002817496... ~ 7.0

Remember the circle equation

C = pi d

Substituting

C = 3.141592....X 7

C = 21.99114858.... units. ~ 22.0 units.

A Triangle drawn accross a sphere; NOT on a plane surface.

On a ** sphere** you can draw a triangle with three right angles. .

At the North pole , zero meridian and its right angle 90 oW merdian.

Draw these meridians to the Equator, and you will find they both meet the Equator at 90 o (degrees).

I presume you mean the circumference in feet.

Use the equation

C = pi d

C = 3.141592.... X 70 ft

C = 219.9114858.... feet. ~ 219 ft 11 inches.

Symmetry is the ordering principle in nature that represents the center of balance between two or more opposing sides. As a fundamental design principle, it permeates everything: from man-made architecture to natural crystalline formations. In nature, symmetry exists with such precision and beauty that we can't help but attribute it to intelligence-such equal proportions and organization would seem to be created only on purpose. Consequently, humans have borrowed this principle for its most iconic creations and symbols.

Concentric circles have the same centre point while eccentric circles although being within each other have differing centre points[the inner cirles are off centre].

When two plane mirrors are inclined at an angle of 90 degrees to each other, the number of images formed is infinite.

Each mirror will produce its own set of multiple images due to the reflections occurring between them. As the mirrors are perpendicular (at a 90-degree angle), the reflections bounce back and forth indefinitely between the two mirrors, leading to an infinite number of images.

11, 111, 1111 etc.

11, 111, 1111 etc.

11, 111, 1111etc,

11, 111, 1111 etc.

I assume your measurements are in feet. Also I assume you are giving length x depth x hight. If so the calculation is 48"x 24"x 12" divided by 231 which is approximately 59.84 US gallons. if the tank is filled to overflowing. If you allow for the 1 inch or so that is at the top and never filled, you would have to calculate 40"x 24"x 11" divided by 231 which is 54.8 US gallons approximately. If you further add gravel and rocks you would have to do more similar calculations to get your actual water volume. Then, if you wish to be successful, and give yourself a chance at keeping your fish alive, you will supply the following necessities :- 1 inch of fish needs a minimum of 1 gallon of water. :- Every tank needs a fully cycled filter running permanently. :- Every tank must have 50% of its water replaced every week. Follow the above rules and your fish will stand a chance of survival. Fail to follow them and I can guarantee that your fish will have constant health problems.

The name is a HEPTEGON.

Remember from Latin.

1 = mono or uni

2 = bi or di

3 = tri

4 = tetra

5 = penta

6 = hexa

7 =- hepta

8 = octa

9 = none

10 = deca.