SOLUTION: An equilateral triangle has sides of length 12 cm. 1) find it's length of its altitude (height) 2) find it's area

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Question 908233: An equilateral triangle has sides of length 12 cm.
1) find it's length of its altitude (height)
2) find it's area
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
hypotenuse=12
one leg 6
6^2+a^2=12^2
a^2=144-36
a^2=108
a=sqrt%288%29
area =1/2 *sqrt(8)*12
area =6*sqrt(8)