What is the surface area of a cube with a side length of 7 inches?

1 Answer
Jim G.
May 23, 2017

#294" square inches"#

Explanation:

#"A cube has "color(blue)"6 square faces"#

#"the surface area is the sum of the areas of the 6 faces"#

#"the area ( A ) of a square of side s is"#

#• A=s^2#

#"here " s=7#

#rArrA=7^2=49" square inches"#

#rArr"surface area "=6xx49=294" square inches"#

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