Question

Please answer!

It is known that 5.1<a< 5.2. Find the possible values of the perimeter of a square with side 

a  cm

_< P < _ where P is the perimeter of the square

Answer 1

20.4<p<20.8

Explanation:

Multiply each side by 4

Because the perimeter equals side*4

Answer 2

The perimeter of a square is 4 times the side length:

... P = 4a cm

Multiply the given inequality by 4 cm.

... 20.4 cm < P < 20.8 cm