Respuesta :

Answer:

Step-by-step explanation:

Perimeter Formula

2*2y +2(3y + 3) = 76          Remove the brackets

4y + 6y + 6 = 76                 Combine

10y + 6 = 76                        Subtract 6 from both sides

10y +6-6 = 76-6                  Combine

10y = 70                               Divide by 10

10y/10 = 70/10

y = 7

QR = 3y + 3                          It's a rectangle. Opposite sides are equal.

QR  = 3*10 + 3

QR = 30 + 3

QR = 33