A stainless steel patio heater is a square pyramid. The length of one side of the base is 19.8 The slant height of the pyramid is 89.9 What is the height of the pyramid?

the slant height would be the hypotenuse of a right triangle. 1/2 the length of the base would be one side of a right triangle. Use the Pythagorean theorem to find the height:

89.9^2 = 9.9^2 + x ^2

8082.01 = 98.01 + x^2

X^2 = 8082.01-98.01

X^2 = 7984

X = sqrt(7984)

X = 89.35

Round to 89.4

18

step-by-step explanation:

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answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify