Question

Using the net below, find the surface area of the pyramid.

Answer 1

Surface Area : 45 cm²

Explanation:

The surface area is the sum of area of the triangles and the square

SA = (4 * area of triangle) + area of square

`= 4 *\left((1)/(2)* \text{baxe}*\text{height} \right) + {\text{side}}^2\\\\=4 *\left((1)/(2)* 3*6 \right) + {3}^2\\\\=4 *\left( 3*3 \right) + 9\\\\=( 4* 9) + 9\\\\=36+9\\\\=45`