DICTIONARY‎ > ‎Geometry‎ > ‎

Square

Description: 




It is a quadrilateral with four equal sides and four right angles. 




 



Its diagonals cross each other in the middle and at the right angle.
 
 




Each square is:

  • a rectangle

  • a rhombus

  • a parallelogram

  • a trapezoid






 Perimeter of a square:
 
 
 P = a + a + a + a

    OR

 P= 4a




 


 Area of a square:
 
   A = a * a

    OR

 A= a2 



Author(s):
Martyna

Sources:
Own knowledge