Regular pyramid is a pyramid whose base is a regular polygon, sides are all congruent triangles and holds equal length in the lateral edges. The total base area of the regular pyramid is the sum of the areas of its lateral faces and its base. Pyramids are usually named after their base, such as triangular pyramid is named after its triangular base. You can use our online calculator to find the area of base of regular pyramid by providing the semi-perimeter and radius.
A regular pyramid has a semiperimeter of 22 cm and the circumradius is 5cm.
A = 22 x 5
= 110 cm2