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Ayushree
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To find the side, take the square root of 441. Since 21 × 21 = 441, the side length of the square is 21 meters. So, the side is 21 m. Class 8 NCERT Ganita Prakash Chapter 1 A Square and ...

class 8 maths a square and a cube chapter 1 mcqclass 8 maths a square and a cube extra questions @tiwari_academylength of the side of a square whose area is 441 m²
Ayushree
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(i) False – cube of odd is odd. (ii) False – 2³ = 8. (iii) True – 5³ = 125. (iv) True – 99³ = 970299 (v) False – cube numbers (unless cube of square) have even factors. Class 8 Mathematics ...

class 8 maths a square and a cube extra questions @tiwari_academyclass 8 maths chapter 1 a square and a cube figure it out solutionscube of any odd number is evenno perfect cube that ends with 8
Ayushree
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Here are five such numbers: 73, 88, 102, 57 and 69. All these numbers end with 3, 8, 2, 7 or 9. Except 9, the others never appear as the unit digit of square numbers, so they are not squares. Class ...

5 numbers such that you can determine by looking at their unitsclass 8 maths a square and a cube chapter 1 mcqclass 8 maths a square and a cube extra questions @tiwari_academy