60 square units.
First, work out what the length of of the other leg is
Next, to work out the hypotenuse you add the squares of the legs.
Then square root the answer from the previous calculation.
And finally add the sides together.
26+24+10= 60 square units
the answer is (4,3)
since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.