Question 263141
we start with our equation of
{{{D=1.2sqrt(h)}}}
we know that D = 30.4, so we get
{{{30.4 = 1.2sqrt(h)}}}
step 1 - divide by 1.2 to get
{{{25.333 = sqrt(h)}}}
step 2 - square both sides to get
{{{h = 641.78}}}