Respuesta :

Answer:

108 square units I believe

Step-by-step explanation:

area of a triangle 1/2 x length x height

1/2 x 18 x 12 = 108

Answer: 108 square units

Explanation:
The area of a triangle is 1/2 ab
= 1/2 12x18
= 1/2 216
= 108
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