0.5ab-0.3bc +2.4cd; 1.2bc + 0.2cd -3.3de; 8.6ab-1.4cd +17de quien me ayuda es de suma de polinomios

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet