From 200 feet away, the angle of elevation to the top of a building is 36°. Find the height of
the building

Is the orthocenter of a triangle on the inside ?

Measure of angles 31 (x+4) (3x+9) me

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?