tristenmathews
28.01.2021 •
Mathematics
P
Find the surface area of a closed box with base width 3 cm, base length 5 cm and height 4 cm.
5 cm
1
4 cm
3 cm
4 cm
5 cm
3 cm
O 74 cm
O 15 cm
O 79 cm
O 94 cm
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Ответ:
A = 94 square cm
Step-by-step explanation:
Surface Area of a Closed Box
The surface area of a rectangular prism of dimensions x, y, and z is given by:
A = 2(xy + yx + xz)
The dimensions of a closed box (a rectangular prism) with dimensions x=3 cm, y=5 cm, and z=4 cm is:
A = 2(3*5 + 5*4 + 3*4)
Calculating:
A = 2(15 + 20 + 12)
A = 2(47)
A = 94 square cm
Ответ:
b
Step-by-step explanation: