2. PRIME NUMBERS
• A number has exactly two factors namely itself and 1
• For eg : 2,3,5,7,11,etc
3. NATURAL NUMBERS
• All numbers leaving 0 are natural numbers
• For eg : 1,2,3,4,5,6,,etc
4. EVEN AND ODD NUMBERS
• Even numbers are the numbers which are divided by 2
• Odd number are the opposite of even number
• Eg for even number are : 2,4,6,8,10,etc
• Eg for odd number are : 1,3,5,7,9,11,etc
5. IMAGINARY NUMBERS
• Imaginary numbers are the numbers which if we take any numbers square than
the answer should come in negative
• For eg : (under root -2 square),etc
6. ALL TYPE OF SHAPES AND THEIR AREA
AND PERIMETER
SO LETS BEGIN
7. AREA AND PERIMETER OF SQUARE
• Formla for area of square is multiplication of all four sides
• Formula for perimeter of square is addition of all 4 sides
8. AREA AND CIRCUMFERENCE OF
CIRCLE
• Formula for area of circle is pie r square
• Formula for circumference of circle is 2 pie r
10. AREA OF TRIANGLE
• Formula for area of triangle is half*base*height
• Formula for area of equilateral triangle is under root 3 upon four multiplied by
side square