Respuesta :

Answer: 18

Step-by-step explanation: The formula for calculating a triangle’s area is 1/2(base•height). This means that 12•3 is 36, which multiplied by 1/2 is 18.

(Hope this helps)

Answer:

18

Step-by-step explanation:

area of triangle = (H*B)/2

(H*B)/2= (12*3)/2= 36/2=18