मराठी

The area of an equilateral triangle is 4sqrt(3) cm^2. Its perimeter is ______.

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प्रश्न

The area of an equilateral triangle is `4sqrt(3)` cm2. Its perimeter is ______.

पर्याय

  • 9 cm

  • 12 cm

  • `12sqrt(3)` cm

  • `6sqrt(3)` cm

MCQ
रिकाम्या जागा भरा
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उत्तर

The area of an equilateral triangle is `4sqrt(3)` cm2. Its perimeter is 12 cm.

Explanation:

`sqrt(3)/4 xx a^2 = 4sqrt(3)  cm^2`

⇒ a2 = 16 cm

⇒  a = 4 cm

∴ Perimeter = 3a

= (3 × 4) cm

= 12 cm

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पाठ 15: Perimeter And Area of Plane Figures - MULTIPLE-CHOICE QUESTIONS (MCQ) [पृष्ठ ६९७]

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 15 Perimeter And Area of Plane Figures
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 11. | पृष्ठ ६९७
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