3 years ago

Help me please!! Mathematics

1 answer:

4 0

Answer is letter C
radius (r) = 3 ft
x = 2.25 ft

chord = 2 * squareroot of (2*r*x - x^2)
chord = 2 * sqrt(2*3*2.25 - (2.25)^2)
chord = 2 * sqrt(13.5 - 5.0625)
chord = 2 * sqrt(8.4375)
chord = 2 * 2.90
chord = 5.8 ft.

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