Answer:I’m guessing the 3rd one
Step-by-step explanation:
Answer:
I think that is false
Step-by-step explanation:
A pentagon has 5 sides
That question is hard try google that always helps me
AC is the diagonal of the square.
To find the side length use Pythagorean Theorem.
a^2 + a^2 = 28^2
2a^2 = 784
a^2 = 392
a = sqrt 392
Perimeter = 4a where a is the length of the side
P = 4Sqrt392
P = 79.2 millimeters
The best way to solve this is to set up a proportion
84 21
---- = ------
x 100
then you cross multiply and divide
100 × 84 = 8400 ÷ 21 = 400
84 is 21% of 400