Find x as well as angle 2. X is needed for my corresponding questions

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

An octagonal prism has jow many lateral faces?