Mathematics
The area of an equilateral triangle is cm2. The length of its each side is :
4 cm
6 cm
8 cm
9 cm
Mensuration
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Answer
Let each side of equilateral triangle be a cm.
Area of equilateral triangle = a2
⇒ a2
⇒ 64 = a2
⇒ a =
⇒ a = 8 cm.
Hence, option 3 is the correct option.
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