We know, area of right triangle = ab / 2
Here, area = 270
a = 15 m
b = ?
Substitute their values into the expression:
270 = 15*b / 2
15b = 540
b = 540 /15
b = 36
Now, H² = a² + b²
H² = 36² + 15²
H = √1521
H = 39
In short, Your Answer would be 39 meter
Hope this helps!