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Mekhanik [1.2K]
3 years ago
9

9. A pyramid has a square base with an area

Mathematics
1 answer:
Vlad [161]3 years ago
4 0
  • Answer:

<em>48 ft</em>

  • Step-by-step explanation:

<em>A  = 144ft² = l²</em>

<em>144 = l²</em>

<em>l = √144</em>

<em>l = 12 ft</em>

<em>P = 4l</em>

<em>= 4×12ft</em>

<em>= 48 ft</em>

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