Zhang Jun's family has a rectangular vegetable garden, which is 10 meter long and 8 meters wide. (1) What is the area of this vegetable garden? (2) If the wide side is against the wall.
(1) 10×8=80 (square meter).
The area of this vegetable garden is 820 square meters.
(2) 10×2+8,
=20+8,
=28 (meters).
A: A fence of at least 28 meters is required.