Question

What is the length of the altitude of the equilateral triangle below?

Answer 1

You can apply the Pythagoras theorem to the triangle at the left hand side (the angles are 30, 60, and 90)
(4√3)^2 = a^2 + (2√3)^2
a^2 = 48 - 12
a = √36
a = 6

Answer 2

thank you :)

Answer 3

np

Answer 4

:)