Question

The figure shown is composed of two cubes.
Which equation shows the surface area of the figure?
S.A =6 (5.5) + 6 (3.3) +3 (3)
S.A = 6 (5.5) +6(3.3) + 2 (3.3)
S.A = 6 (5.5) + 6(3.3) - 2(3.3)
S.A = 6 (5.5) + 6(3.3) - 3 (3)

Answer 1

The surface area of the two cubes is given by 6(3 * 3) + 6(5 * 5) - 3(3)

HOW TO CALCULATE SURFACE AREA

Area is the amount of space occupied by a two dimensional shape or object. Example of two dimensional objects are square, circle, rectangle etc.

Surface area is the sum of individual area of surface in a compound figure. It is given by:

Surface area = area 1 + area 2 + . . . + area n

For the diagram shown:

Surface area (S.A) = 6(3 * 3) + 6(5 * 5) - 3(3)

S.A is given as 6(3 * 3) + 6(5 * 5) - 3(3)

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