Quick question, how do I solve a problem where I need to find the value of x with angles? The problem shows 2x and 84 on the little chart. I have no idea how to find the value of x. I am not asking for an answer, just how to get an answer.

you have to use the knowledge and vertically opposite angles corresponding angles

vertically opposite meaning the angle vertically opposite to 84 is at 4 then corresponding angles to get what is 2x then divide your answer by 2

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

54.864 meters

step-by-step explanation: