What is the area of 30x40 rectangle in square units?? Will give BRAINLIEST if only correct!!!

1200 units 30 times 40 is 1200

1200 sq units

hope this helps

x-3y=4

step-by-step e

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