Four 90 degree angles.......................4..................9s.......at 2, the processes of addition and multiplication are dead even.......they both equate to 4..........Euler made addition and multiplication the same by equating a musical series........of addition.......with one of primes.......with multiplication...................................360 degrees................3 + 6 + 0 = 9..............

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In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length.

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What is the degree of a sphere?

Just as degrees are used to measure parts of a circle, square degrees are used to measure parts of a sphere. Analogous to one degree being equal to π180 radians, a square degree is equal to (π180)², or about 13283 =3.0462×10⁻⁴ steradians (0.30462 msr).

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What degree does a square add up to?

Triangles. A triangle is a closed figure that has three sides and three angles. The sum of the three angles of every triangle always equals 180° . A right triangle always has one angle equal to 90° and two angles whose sum is 90° , making a total of 180° .

Hamilton - Math To Build On: Degrees: Circles, Squares...

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Is there 360 degrees in a square?

All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the interior angles, we know that the sum of all the angles is 360 degrees (from above)... And there are four angles... So, the measure of the interior angle of a square is 90 degrees.

Cool math .com - Polygons - Quadrilaterals - properties, interior angles

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Why is a circle divided into 360 degrees?

That's how we got a 360-degree circle. Around 1500 BC, Egyptians divided the day into 24 hours, though the hours varied with the seasons originally. Greek astronomers made the hours equal. About 300 to 100 BC, the Babylonians subdivided the hour into base-60 fractions: 60 minutes in an hour and 60 seconds in a minute.Jun 21, 2002

USATODAY.com - The 360-degree circle is 4400 years old

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Triangles. A triangle is a closed figure that has three sides and three angles. The sum of the three angles of every triangle always equals 180° . A right triangle always has one angle equal to 90° and two angles whose sum is 90° , making a total of 180° .

How many sides and angles are on a square, circle, triangle, and ...

https://www.enotes.com › Homework Help › Math

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Mar 9, 2009 - The only difference between them is that a square is a rectangle with equal sides. Both have 4 90 degree (right) angles. A triangle has 3 sides and 3 angles. The angles of a triangle always add up to 180 degrees.