What is the length of the altitude of the equilateral triangle below? 30° 10 10 a 60° 90° 5 60° 5 A. 1013 O B. 5 O C. 10 D. 50 O E. 1 O F. 5.15​

What is the length of the altitude of the equilateral triangle below 30 10 10 a 60 90 5 60 5 A 1013 O B 5 O C 10 D 50 O E 1 O F 515 class=