the area of a equilateral triangle whose perimeter is 12 cm is
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Step-by-step explanation:
the area of triangle is 27
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Answer:
Step-by-step explanation:
Given that ;
Perimeter of equilateral triangle = 12 cm
∴ Each side =
Each side = 4
Now, we know that ;
Area of equilateral Δ = √3 / 4 a²
= √3 / 4 * 4²
= √3 * 4
= 4√3
Hence, area of equilateral triangle is 4√3 cm².
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Equilateral triangle : The triangle having all the sides equal and each angle measures 60°, is called equilateral triangle.
Area of equilateral ∆ = √3 / 4 a²
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