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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

The area of the rhombus is 128 sq.cm and the length of one diagonal is 32 cm. The length of the other diagonal is

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प्रश्न

The area of the rhombus is 128 sq.cm and the length of one diagonal is 32 cm. The length of the other diagonal is

विकल्प

  • 12 cm

  • 8 cm

  • 4 cm

  • 20 cm

MCQ
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उत्तर

8 cm

Explanation;

Hint:

`1/2 xx "d"_1 xx "d"_2` = 128

`1/2 xx 32 xx "d"_2` = 128

⇒ d2 = `(128 xx 2)/32`

= 8 cm

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अध्याय 2: Measurements - Exercise 2.2 [पृष्ठ ४३]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 2 Measurements
Exercise 2.2 | Q 8 | पृष्ठ ४३
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