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Yogita Ingle 5 years, 8 months ago
Rational Number: The rational numbers are numbers which can be expressed as a fraction and also as positive numbers, negative numbers and zero. It can be written as p/q, where q is not equal to zero.
Rational word is derived from the word ‘ratio’, which actually means a comparison of two or more values or integer numbers and is known as a fraction. In simple words, it is the ratio of two integers.
Example: 3/2 is a rational number. It means integer 3 is divided by another integer 2.
Irrational number: The numbers which are not a rational number are called irrational numbers. Now, let us elaborate, irrational numbers could be written in decimals but not in fractions which means it cannot be written as the ratio of two integers.
Irrational numbers have endless non-repeating digits after the decimal point. Below is the example of the irrational number:
Example: √8=2.828…
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In Euclidean geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in the plane that contains the rays. Angles are also formed by the intersection of two planes. These are called dihedral angles.
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Yogita Ingle 5 years, 8 months ago
First 10 Prime Nos.:
2 3 5 7 11 13 17 19 23 29
Nth term of Series is formed by multiplication of nth*(n+1)th prime numbers
2*3, 3*5, 5*7 .....and so on
9th Term would be = 23*29 = 667
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Yogita Ingle 5 years, 8 months ago
Formula of Pythagoras theorem
(Hypo)2 = (base)2 + (height)2
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Yogita Ingle 5 years, 8 months ago
The x - coordinate of a point is its perpendicular distance from the y – axis measured along the x -axis. The x - coordinate is also called the abscissa.
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