Respuesta :

Answer:

The surface area of the candle is [tex]7.7\ in^{2}[/tex]

Step-by-step explanation:

we know that

The surface area of the candle is equal to the area of its triangular base plus the area of its three lateral triangular faces

so

[tex]SA=\frac{1}{2}(2)(1.7)+3[\frac{1}{2}(2)(2)]=7.7\ in^{2}[/tex]