Jenny is painting a toy chest that she made for her little brother. If the box is 4 feet long, 3 feet wide, and 2 feet tall, what is the surface area of the box to be painted?
1 Answer
May 23, 2018
Explanation:
#"the opposite faces of a cuboid are rectangles and"#
#"equal in area"#
#A=2lw+2lh+2wh#
#"where l, w and h are length, width and height"#
#"here "l=4,w=3" and "h=2#
#A=(2xx4xx3)+(2xx4xx2)+(2xx3xx2)#
#color(white)(A)=24+16+12=52" ft"^2#
