Ne viuen In ATUV, the measure of V=90°, the measure of T=42, and UV = 20 feet. Find
the length of TU to the nearest tenth of a foot.

Answer is in the file below

tinyurl.com/wpazsebu

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