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2 years ago

What is the surface area? I need help help

Mathematics

2 answers:

o-na [289]2 years ago

5 0

Answer:

2400

Step-by-step explanation:

$SA = 2(lw + lh + wh) = 2(20^2 + 20^2 + 20^2) = 2(3 * 20^2) = 2(3 * 400) = 2 * 1200 = 2400$

yarga [219]2 years ago

4 0

Surface Area=2400

Step-by-step explanation:

To find the surface area we need to use this formula: Surface Area=6a^2

Where a is the side lengths that are being provided by the cube, now we plug in 20 as a into the formula.

Surface Area=6(20)^2

Surface Area=6(400)

Surface Area=2,400

Hope I helped, have a nice day :)

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