Height is a linear measure and so "Square height" is a meaningless concept.
About 4.459 square meters.
Five (5.016) square meters.
6.7m2
7.25 square metres.
15 meters
6 meters is a distance, while square foot is an area; so it can not be converted. Meters has only 1 dimension, while square foot is 2 dimensional.
Area = 6*9 = 54 square meters
6 meters Check: 1/2*(8+12)*6 = 60 square meters
6 foot 5 inches
The height of the triangle is 6 meters
39.01821 square meters
It is: 58.2/9.7 = 6 meters