X. Find the area of square, whose perimeter measures 84 cm.
Answers
Answered by
1
Answer:
441 cm²
Step-by-step explanation:
In a square, the perimeter is 4s with s as the side length.
4s=84cm
4s/4=84cm/4
s=21 cm
The area of a square is s².
Area=(21cm)²
Area=441cm²
Answered by
0
Answer:
area of the sq=a×a
perimeter =4a
=84/4 =21
area=21×21=441
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