LMN is an equilateral triangle. (LM=LN=MN= 12cm)

Calculate the height *h* of the triangle using trigonometry.

Any help would be much appreciated:)

Which elements in the set are integers? –8, 3⁄4, √ 18 , 0, √ 16 , 5, –2⁄7, 6 a. –8, 0, 5, 6 b. –8, 0, √ 16 , 5, 6 c. 3⁄4, √ 18 , √ 16 , 5, –2⁄7 d. –8, 0, √ 18 , 5, 6