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Questions and Answers
Which of the following is the formula to find the area of a square?
Which of the following is the formula to find the area of a square?
- A = 4s
- A = s^2 (correct)
- A = s/2
- A = 2s
What is the square root of 64?
What is the square root of 64?
- 6
- 8 (correct)
- 10
- 4
What is the length of the diagonal of a square with a side length of 5 units?
What is the length of the diagonal of a square with a side length of 5 units?
- 15 units
- 5 units
- 10 units (correct)
- 25 units
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Study Notes
Geometry Formulas
- The formula to find the area of a square is
side²ors², wheresis the length of the side.
Square Roots
- The square root of 64 is 8, since 8 × 8 = 64.
Diagonal of a Square
- The length of the diagonal of a square with a side length of 5 units can be found using the Pythagorean theorem:
diagonal = √(5² + 5²) = √(25 + 25) = √50. - Alternatively, the diagonal of a square can be found using the formula
diagonal = side × √2, wheresideis the length of the side.
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