Area of square: [ (side)˛ ]
Enter the length =
Result Area =

Circle:
Enter the radius =
Result Area [ || ] =
Result Circumference [ 2||r ] =

Area of triangle: [ l×b/2 ]
Enter the length and breadth =
Result Area =

Area of Equilateral Triangle:[ (Sqrt(3)/4)*(side)˛ ]
Enter the length =
Result Area =

Area of Parallelogram or Rectangle:
[ base×height ]
Enter the lengths =
Result Area =

Area of Trapezium:
[ ˝×(sum of parallel sides)×(distance between them) ]
Enter the size of parallel side 1 =
Enter the size of parallel side 2 =
Enter the distance between parallel sides =
Result Area =

Area of Sector:
[ ˝×arc×(angle in degree) ]
Enter the radius =
Enter the angle =
Result Area =