What is the area of this triangle?

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)

18

Step-by-step explanation:

area of triangle = (H*B)/2

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

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72