septiceyegirl
septiceyegirl septiceyegirl
  • 21-05-2019
  • Mathematics
contestada

Jack is 5 1/2 feet tall and casts a 9-ft shadow. At the same time, a basketball hoop casts a 24-foot Shadow. How tall is the basketball hoop?

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 01-06-2019

ANSWER

The height of the basketball hoop is

[tex]14 \frac{2}{3} ft[/tex]

EXPLANATION

Let the height of the basketball hoop be x feet.

The shadow of the basketball hoop is 9 ft long.

The height of Jack is 5.5 feet.

Jack's shadow is 9 ft long.

By similar triangles,

[tex] \frac{x}{5.5} = \frac{24}{9} [/tex]

Multiply both sides by 5.5

This gives us,

[tex]x = \frac{24}{9} \times 5.5[/tex]

[tex]x = \frac{132}{9} [/tex]

[tex]x = 14 \frac{2}{3} [/tex]

The height of the basketball hoop is 14⅔ feet

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