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Each Side of Rhombus is 10cm. If One of Its Diagonals is 16cm, Find the Length of the Other Diagonals. - Mathematics

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प्रश्न

Each side of rhombus is 10cm. If one of its diagonals is 16cm, find the length of the other diagonals.

योग

उत्तर

Side of the rhombus = 10cm
One diagonal, d1 = 16cm
Let d2 be the other diagonal of the rhombus
The diagonals of a rhombus bisect each other

∴ `("d"_1/2)^2 + ("d"_2/2)^2` = side2

`8^2 + ("d"_2/2)^2` = 100

⇒ `("d"_2/2)^2` = 100 - 64 = (6)2 

⇒ `("d"_2)/(2^2)` = 6
⇒ d2 = 12
Thus, the other diagonal of the rhombus is of length 12cm.

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अध्याय 17: Pythagoras Theorem - Exercise 17.1

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फ्रैंक Mathematics [English] Class 9 ICSE
अध्याय 17 Pythagoras Theorem
Exercise 17.1 | Q 11

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