An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.
Length of first side of triangle cm
Length of second side of triangle cm
Perimeter of triangle cm
Length of third side of triangle =c=Perimeter of triangle-a-b cm
Semi-perimeter of triangle cm
Using Heron's formula to find area of triangle, we get
Area of triangle