Question

Find the height of an equilateral triangle having side 3a​

Answer 1

Answer:

$h = \frac{3 \sqrt{3}a }{2}$

Step-by-step explanation:

$h = \sqrt{ {( 3a)}^{2} - { (\frac{3a}{2}) }^{2} } \\ \\ h =3a \sqrt{1 - \frac{1}{4} } \\ \\ h = 3a \frac{ \sqrt{3} }{2 } \\ \\ h = \frac{3 \sqrt{3}a }{2}$

Answer 2

Answer:

here is your answer dear hope it helps you