Respuesta :

4 x 4 = 16
11 x 11 = 121
121/2 = 60.5
60.5 x 4 = 242
242 + 16 = 258
258 cm^2
Area of each triangle = .5 * 4 * 11 = 22 square centimetersArea of the 4 triangles =22 * 4 = 88 square centimetersArea of the base = 4 * 4 = 16 square centimetersTotal Pyramid Area = 88 + 16 = 104 square centimeters