What is the area of triangle abc?

this is your online school test so I can't help you

But I can give you a hint-see the units written outsite the box and count the boxes inside.

ans..4

i need a picture

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c