Which of the following gives the correct method for calculating the perimeter of a room measuring 5m by 6m?
(a) 2(5 × 6)m
(b) 1/2 (5 × 6)m
(c) 1/2 (5 + 6)m
(d) 2 (5 + 6)m
(e) None of the above
Show workings
(d) 2 (5 + 6)m
Working:
Perimeter = 2 (length + width)
= 2 (5 + 6)
= 2 x 11
= 22m