Hi pls anwser will give brainliest

Answer:
h=55.4 mm
Step-by-step explanation:
Area of a triangle = [tex]\frac{bh}{2}[/tex] where b is base and h is height
now just plug and chug
227.14 = 8.2h/2
227.14=4.1h
h=227.14/4.1
h=55.4
check answer:
55.4 * 8.2 /2 = 227.14, as proven by my calculator