Answer:
4 cm
Explanation:
area of triangle is: area = (base*height)/2.
since the area is 6 m^2, and base is 3 cm,
6 m^2 = (3 m*height)/2
12m^2 = 3 m*height
height = 4 m
then the height would be 2 because 3*2=6
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