Mathematics
Grade10
Easy

Question

A square prism has square sides with area  straight x squared plus 8 straight x plus 16 and rectangular sides with area 2 straight x squared plus 15 straight x plus 28. What expression represents the surface area of the square prism?

  1. 10 straight x squared plus 76 straight x plus 144
  2. 8 straight x squared plus 56 straight x plus 124
  3. 12 straight x squared plus 64 straight x plus 160
  4. 6 straight x squared plus 70 straight x plus 156

hintHint:

A square prism is a three-dimensional shape cuboid figure whose bases are squares and the other four faces are rectangle in shape.

The correct answer is: 10 straight x squared plus 76 straight x plus 144


    Step 1 of 1:
    We have given a square prism with square side area x squared plus 8 x plus 16 and rectangular side area 2 x squared plus 15 x plus 28.
    A square prism has 2 square sides and 4 rectangular sides.
    Surface area of prism = 2 * Area of one square side + 4 * Area of one rectangular side
    equals 2 asterisk times left parenthesis straight x squared plus 8 straight x plus 16 right parenthesis plus 4 asterisk times left parenthesis 2 straight x squared plus 15 straight x plus 28 right parenthesis equals 10 straight x squared plus 76 straight x plus 144

    Are of square = left parenthesis s i d e right parenthesis squared
    Area of rectangle = l e n g t h cross times b r e a d t h

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