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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

A metallic cube with side 15 cm is melted and formed into a cuboid. If the length and height of the cuboid is 25 cm and 9 cm respectively then find the breadth of the cuboid

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प्रश्न

A metallic cube with side 15 cm is melted and formed into a cuboid. If the length and height of the cuboid is 25 cm and 9 cm respectively then find the breadth of the cuboid

योग
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उत्तर

Side of a cube (a) = 15 cm

Length of a cuboid (l) = 25 cm

Height of a cuboid (h) = 9 cm

Volume of the cuboid = Volume of the cube

l × b × h = a3

25 × b × 9 = 15 × 15 × 15

b = `(15 xx 15 xx 15)/(25 xx 9)`

= 15 cm

Breadth of the cuboid = 15 cm

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अध्याय 7: Mensuration - Exercise 7.3 [पृष्ठ २६३]

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सामाचीर कलवी Mathematics [English] Class 9 TN Board
अध्याय 7 Mensuration
Exercise 7.3 | Q 9 | पृष्ठ २६३

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