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20-02-2021
Mathematics

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What is the surface area of a regular square pyramid with a slant height of 12 cm in a lateral edge of 13 cm?

What is the surface area of a regular square pyramid with a slant height of 12 cm in a lateral edge of 13 cm class=

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ahmedmido1595 ahmedmido1595

20-02-2021

Answer:

340 cm squared

Step-by-step explanation:

[tex]l=2\sqrt{13^{2} -12^{2} }=10cm[/tex]

[tex]A=l^{2} +2l*h\\10*10+2*10*12=340cm^{2}[/tex]

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