A rectangle had sides of length 9 feet and 12 feet. Find the measure of the diagonal. Round to the nearest tenth if necessary

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

my answer is$ 12

step-by-step explanation:

because 15 -2=12

a and c

for infinitely many solutions we require both left and right sides to be equal

distribute and simplify

a

14 - 8x = 20 - 8x - 6 = 14 - 8x ← both sides equal so infinite solutions

b

6x - 54 = 6x - 54 + x = 7x - 54 ← not equal

c

4x + 16 = 4x + 10 + 6 = 4x + 16 ← both sides equal so infinite solutions

d

5x - 40 + 10 = 5x + 10

5x - 30 = 5x + 10 ← not equal