Area of square,rectangle and triangle Perimeter of square,rectangle and triangle Share with your friends Share 0 Shruti Tyagi answered this Dear Student, Assuming if the question is to write the formula for Area and perimeter thanbelow is the answerArea of square=side×sideArea of rectangle=Length×BreadthArea of triangle(right angled)=12×base×heightArea of triangle(equilateral)=34×side×sidePerimeter of square=4×sidePerimeter of rectangle=2×length+BreadthPerimeter of triangle=sum of all 3 sides (a+b+c) Regards, 0 View Full Answer