What is the area (in sq cm) of an equilateral triangle of side 11 cm?
Answer & explanation
Correct answer: option 2
Area of eq. = \(\frac{ \sqrt{3}}{4}\)a2
= \(\frac{ \sqrt{3}}{4}\) × 11 × 11
= \(\frac{121}{4}\)\(\sqrt{3}\) cm2
What is the area (in sq cm) of an equilateral triangle of side 11 cm?
Correct answer: option 2
Area of eq. = \(\frac{ \sqrt{3}}{4}\)a2
= \(\frac{ \sqrt{3}}{4}\) × 11 × 11
= \(\frac{121}{4}\)\(\sqrt{3}\) cm2