Question

A) find the Surface area

5 cm
12 cm
3 cm
8 cm

Answer 1

Here's the solution,

Surface area :

=》

`\boxed{\mathbf { \footnotesize (2 × area \: of \: triangle) + (3 × area \: of \: rectangle) }}`

=》

`(2 * (1)/(2) * 8 * 3) + (3 * 12 * 5)`

=》

`24 + 180`

=》

`204`

surface area = 204 cm²