Calculate the area of an equilateral triangle of side 8cm...
Calculate the area of an equilateral triangle of side 8cm
8√3
16
4√3
16√3
Correct answer is D
An equilateral triangle has all sides equal and all angles equal as 600
Area = 12 absinθ
Area = 12 x 8 x 8 x sin60
= 12 x 64 x √32
= 16√3 cm2
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