1. The base of an open rectangular tank is 3.2 m by 2.8 m. Its height is 2.4 m. It contains water to a depth of 1.8 m. Cal culate the surface area inside the tank that is not in conta
with water.

16.64 m

Step-by-step explanation:

Subtract the depth of the water from the height of the tank (0.6) and use this measurement for height instead. then calculate l•h•2+w•h•2+l•w

(we multiplied the length and height and the width and height by two since there’s two sides with the same measurement for each)