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1
Answer:
16×5^½, 30
Step-by-step explanation:
perimeter is 4a
area is a^2
a is side of square
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4
Perimeter of Square = 4 (4 √5) mm
= 4 (4 x 2.23606798) mm
= 4 x 8.94427192 mm
= 35.77708768 mm
Area of Square = 4√5² mm²
= 4 x 2.23606798 mm²
= 8.94427192 mm²
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