Q13. The area of a square is 289 cm2. Find its perimeter and the length of the diagonal.
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Q13. The area of a square is 289 cm2. Find its perimeter and the length of the diagonal.
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Answer:
Square
Solve for perimeter
P=68cm
A Area
289
cm²
Using the formulas
A=a2
P=4a
Solving forP
P=4A=4·289=68cm