Question

Area of an equilateral triangle of side 5 cm is ______
√3/4 cm²
25√3/4 cm²
20√3/4 cm

Answer 1

Answer:

area of equilateral triangle=√3/4a^2

=√3/4 × 5^2

=25 √3/4 cm^2

Answer 2

Answer:

area of equilateral triangle = (√3/4)×side²

= (√3/4) ×5²

= 25√3/4cm² answer