Please Help Me with this one too

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

What are the first 4 terms in the multiplication pattern given by the formula 2×4n