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### Grade 7 - Mathematics9.33 Area of Square - I

 Example: The diagonal of a square is 15 cm. Find the area of square. Solution: Given that, Diagonal (d) = 15 cm. Area of square (A) = 1/2 * d2 A = 1/2 * 152 A = 1/2 * 225 A = 112.5 sq cm. Directions: Read the above example carefully and answer the following questions: Draw 10 different squares and label its sides. Draw the diagonals and measure their lengths. Also find their areas.
 Q 1: The diagonal of a square is 16 cm. Find the area of square.128 sq cm126 sq cm168 sq cm120 sq cm Q 2: The diagonal of a square is 12 cm. Find the area of square.82 sq cm72 sq cm42 sq cm62 sq cm Q 3: The diagonal of a square is 169/13 cm. Find the area of square.84.5 sq cm94.5 sq cm60.5 sq cm64.5 sq cm Q 4: Find the diagonal of the square if the area is given by 312.5 sq cm.25 cm42 cm31 cm41 cm Q 5: The diagonal of a square is Ö200 cm. Find the area of square.100 sq cm250 sq cm150 sq cm101 sq cm Q 6: The diagonal of a square is 35.25 cm. Find the area of square.612 sq cm621.28 sq cm600 sq cm600.5 sq cm Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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