Respuesta :

Answer:

54

Step-by-step explanation:

so the formula for find the area of a triangle is

A=1/2(b•h) B=base H=hight

let us put in the values

A=1/2(12•9)

A=1/2(108)

divide by 2 or multiply by 1/2

A=54

I hope this helped :)

54 is the answer of the area of the triangle