Three same-sized cubes are glued together as shown below. If the side length of each cube is 9 inches, what is the surface area of the figure?

Step-by-step explanation:

Given,

Side length of each cube = 9 in.

no. of cubes glued together = 3.

now,

surface area of cube = 6s²

after inserting values we got,

6 × 9² = 6 × 81 = 486 inches.

so,

Surface area of all 3 cubes = 3 × 486 = 1458 inches.

hence, surface area of the figure is 1458 inches.

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