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2 years ago

7

The length of a diagonal of a square is 12cm.find its perimeter

2 answers:

timofeeve [1]2 years ago

5 0

Answer:

p = 4a

d = 2√2d

Step-by-step explanation:

p = 2√2d

= 2.√2.12

= 33.94113 cm

levacccp [35]2 years ago

4 0

Answer:

12cm^2

Step-by-step explanation:

1/2 x diagonal x diagonal

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