Cube with side length of 15 centimeters. what is the surface area of the cube?

  = 1350 cm^2

Step-by-step explanation:

The surface area of a cube is the area of a side times the number of sides ( since the sides are all the same)

SA = 6s^2

SA = 6 (15^2)

     =6 *225

     = 1350 cm^2

answer:   14

step-by-step explanation:          

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area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2