Area of triangle = 1/2× base× height ∆
Area of rectangle = Length× breadth []
Area of equilateral triangle = √3/4 × side ×side
Area of parallelogram = Base × Height
Area of square = side × side
Area of circle = ¶×r×r
Area of semi-circle = (¶× r×r)/2
Area of general quadrilateral = 1/2 × diognal×(hight 1 + height 2)
Area of rhombus = 1/2 × (diognal 1 × diognal 2)
Area of trapezium = 1/2 × (sum of all parallel side) × height
Total surface area of cube = 6 × side × side
Lateral surface area of cube = 4 × side × side
Total surface area of cuboid = 2× ( L×b + b×h + L×h) where L = length, b =breadth, h = height
Lateral surface area of cuboid = 2 × (L+b)× h
Curved surface area of cone = ¶rL
Total surface area of cone = ¶r(L+r)
Volume of cone = 1/3׶r×rh
Surface area of sphere = 4¶r×r
Volume of sphere = 4/3¶r×r×r
Curved surface area of hemisphere = 2¶r×r
Total surface area of hemisphere = 3¶r×r
Volume of hemisphere = 2/3׶r×r×r
Total surface area of cylinder = 2¶r(r+h)
Curved surface area of cylinder = 2¶rh
Volume of cylinder = ¶r×rh
Perimeter of triangle = sum of all side
Perimeter of square = 4 × side × side
Perimeter of rectangle = 2× (L+B)
Circumfrence (perimeter) of circle = 2¶r
Circumference of semi- circle = ¶r + d , where d = diametre, r = radious
Area of rectangle = Length× breadth []
Area of equilateral triangle = √3/4 × side ×side
Area of parallelogram = Base × Height
Area of square = side × side
Area of circle = ¶×r×r
Area of semi-circle = (¶× r×r)/2
Area of general quadrilateral = 1/2 × diognal×(hight 1 + height 2)
Area of rhombus = 1/2 × (diognal 1 × diognal 2)
Area of trapezium = 1/2 × (sum of all parallel side) × height
Total surface area of cube = 6 × side × side
Lateral surface area of cube = 4 × side × side
Total surface area of cuboid = 2× ( L×b + b×h + L×h) where L = length, b =breadth, h = height
Lateral surface area of cuboid = 2 × (L+b)× h
Curved surface area of cone = ¶rL
Total surface area of cone = ¶r(L+r)
Volume of cone = 1/3׶r×rh
Surface area of sphere = 4¶r×r
Volume of sphere = 4/3¶r×r×r
Curved surface area of hemisphere = 2¶r×r
Total surface area of hemisphere = 3¶r×r
Volume of hemisphere = 2/3׶r×r×r
Total surface area of cylinder = 2¶r(r+h)
Curved surface area of cylinder = 2¶rh
Volume of cylinder = ¶r×rh
Perimeter of triangle = sum of all side
Perimeter of square = 4 × side × side
Perimeter of rectangle = 2× (L+B)
Circumfrence (perimeter) of circle = 2¶r
Circumference of semi- circle = ¶r + d , where d = diametre, r = radious
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