To have a different rectangle with the same perimeter you just have different measurements. If you need an example let me know!
Using Pythagoras in the first question
c=

which is approximately 16.5
for the second question
we also use Pythagoras

25%
Divide 12 by 3 and you'll get 4.
That means 1/4 or a quarter of the 12 is 3.
(Convert the fraction to its percentage form)
1/4 or 1 divided by 4 equals 0.25
Multiply 0.25 by 100 and you'll get 25%
16x = 45 - 29
16x = 16
x = 16/16
x = 1
Answer:
it's C
Step-by-step explanation:
did the quiz