Practicing Success
What is the area of an equilateral triangle whose each sides is 12 cm? |
$36\sqrt{3} \,\,cm^2 $ $38\sqrt{3} \,\,cm^2 $ $34\sqrt{3} \,\,cm^2 $ $40\sqrt{3} \,\,cm^2 $ |
$36\sqrt{3} \,\,cm^2 $ |
The side of equilateral triangle = 12 cm We know that the area of a equilateral triangle = \(\frac{\sqrt {3}}{4}\) × (side)2 = \(\frac{\sqrt {3}}{4}\) × (12)2 = $36\sqrt{3} \,\,cm^2 $ |