PLEASE GIVE ME ALL THE FORMULAS OF AREA AND PERIMETER OF ALL THE FIGURES AS I'M HAVING XAM TOMMORROW..... PLEASE AS EARLY AS POSSIBLE....
Area of rhombus-(1/2*product of diagonals)
Area of right angle-(1/2*product of legs)
Area of equilateral triangle with side a-(sqrt of3/4*a*a) (note:sqrt is square root and here sqrt is of 3 not 3/4)
Area of isoceles triangle with base b and side a-1/2*b*sqrt a*a-b*b/4 (note:here sqrt is on whole a*a*-b*b/4)
Area of four walls of a room- [2(l+b)*h]
Hope it helps!