Height 2

Calculate the height of the equilateral triangle with side 27.

Correct answer:

h =  23.4

Step-by-step explanation:

a=27  h2+(a/2)2=a2 h2=a2a2/4 h2=3/4 a2  h=a 32=27 3223.3827   Verifying Solution:  h=a sin60=sinπ/3=23.4

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