Find the area of an equilateral triangle whose side is 12 cm.
| January 1, 2021 | education
Equilateral triangle area formula:
S = v 3 a ^ 2/4, where a is the side of the triangle
Substitute the value a = 12 centimeters from the condition into the formula:
S = v3 12 ^ 2/4 = v3 144/4 = v3 36 = 1.732 36 = 62.3538
S = 62.3538 square centimeters.
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