Question

The diagonal of a square is 12 cm long; find
its area and length of one side.​

Answer 1

Step-by-step explanation:

diagonal diagonal of square equals to

$\sqrt{2} a$

$\sqrt{2} a = 12$

$a = 12 \div \sqrt{2}$

$a = 6 \sqrt{2}$

a is side of square

therefore area side sq= equal to 72

please mark my answer brainlist

Answer 2

Answer:

Step-by-step explanation:side=12/root2

Area=12×12/4

=36