The perimeter P of the rhombus is equal to one of its sides times 4, since every side has the same lenght. This means that QR=RS=ST=TQ. Replacing QR and RS values:
QR = RS
2x - 9 = x + 5
2x - x = 5 + 9
x = 14
So the side has a lenght of x + 5 = 14 + 5 = 19. The perimeter P is then:
Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?
Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?