Question

find the altitude of an equilateral triangle of side 5 √3 cm

Answer 1

altitude of equilateral triangle =√3/2 × side,

=√3/2 × 5√3,

=15/2 cm

Answer 2

area of equilateral triangle =

$\frac{ \sqrt{} 3}{2}$

=

$\frac{ \sqrt{} 3}{2} \times 5 \sqrt{3 } = \frac{15}{2} \\ = 7.5$

hope it helps you