Find the missing side of this right triangle Enter the number that belongs in the green box 21 15 x

Wholesome food company has been hired to design a healthy menu for the cafeteria at ridgemont high school. they want to conduct a survey to determine what percentage of ridgemont’s 15001500 students like broccoli. the survey will ask, “do you like broccoli? ”

Idon’t know what to do after i plot my first shape

What is the measure of enter your answer in the box.