What is the length of the side of an equilateral triangle, if its area is 64√3sq cm?
Answer & explanation
Correct answer: option 2
Area = \(\frac{ \sqrt{3}}{4}\)a2
\(\frac{ \sqrt{3}}{4}\)a2 = 64\(\sqrt{3}\)
a2 = 64 × 4
a = \(\sqrt{64×4}\) = 16 cm
What is the length of the side of an equilateral triangle, if its area is 64√3sq cm?
Correct answer: option 2
Area = \(\frac{ \sqrt{3}}{4}\)a2
\(\frac{ \sqrt{3}}{4}\)a2 = 64\(\sqrt{3}\)
a2 = 64 × 4
a = \(\sqrt{64×4}\) = 16 cm