Question

5. If the area of an equilateral triangle is 36✓3 cm square, find its perimeter,
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Answer 1

Answer:

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Step-by-step explanation:

Area of an Equilateral triangle =  √3/4 a²

a = side of each side of the triangle

Now equating,

√3/4 a² = 36√3

a² = 36√3 *4 /√3 [√3 gets cancelled]

a² = 36×4

a = √6×6×2×2 = 12cm

Hence, side= 12cm

Perimeter = (Side + Side + Side)

              = (12 + 12 + 12) cm

= 36 cm

Answer 2

Answer:

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