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A stainless steel patio heater is a square pyramid. The length of one side of the base is 21.2 in. The slant height of the pyramid is 90.9 in. What is the height of the​ pyramid?

Use b^2+b^2=c^2
A=21.2
B=90.9

Respuesta :

Answer:

Step-by-step explanation:

90.9^2 - 21.2^2 = b^2

8,262.81 - 449.44 = b^2

b = 88.39326897450959189749074160142

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