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Statement (1): A rhombus shaped sheet with perimeter 40 cm has one diagonal 12 cm the other diagonal is 16 cm. Statement (2): If the other diagonal of this rhombus = x cm, x = 102 – 62.

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Question

Statement (1): A rhombus shaped sheet with perimeter 40 cm has one diagonal 12 cm the other diagonal is 16 cm.

Statement (2): If the other diagonal of this rhombus = x cm, x = 102 – 62.

Options

  • Both the statements are true.

  • Both the statements are false.

  • Statement 1 is true, and statement 2 is false.

  • Statement 1 is false, and statement 2 is true.

MCQ
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Solution

Statement 1 is true, and statement 2 is false.

Explanation:

Statement 1 is true because the rhombus has side 10 cm and diagonals 12 cm and 16 cm, which satisfy \[6^2 + 8^2 = 10^2\]. Statement 2 is false because equating x directly to \[10^2 - 6^2\] is dimensionally incorrect (the correct relation is \[\left(\frac{x}{2}\right)^2 = 10^2 - 6^2\]).

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Chapter 19: Area and Perimeter of Plane Figures - TEST YOURSELF [Page 290]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 19 Area and Perimeter of Plane Figures
TEST YOURSELF | Q 1. (f) | Page 290
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