Calculate the square's perimeter and area with a diagonal length of 30 cm.

Correct answer:

o =  84.8528 cm
S =  450 cm2

Step-by-step explanation:

u=30 a=u/2=30/2=15 221.2132 o=4a=4 21.2132=60 2=84.8528 cm
S=a2=21.21322=450 cm2

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