sofialundy50 sofialundy50
  • 28-04-2021
  • Mathematics
contestada

6
A painter sets a ladder
against a wall 9 ft above
the ground. If the ladder is
3 feet from the base of the
wall, how long is the ladder?
Round your answer
to the nearest tenth.

6 A painter sets a ladder against a wall 9 ft above the ground If the ladder is 3 feet from the base of the wall how long is the ladder Round your answer to the class=

Respuesta :

dumlaoandrei10
dumlaoandrei10 dumlaoandrei10
  • 28-04-2021

Answer: About 10 ft.

Use Pythagorean's Theorem!

c=[tex]\sqrt{9^2+3^2}[/tex]

9 * 9 = 81

3 * 3 = 9

81 + 9 = 90

[tex]\sqrt{90\\}[/tex] = 3[tex]\sqrt{10}[/tex] ≈ 10 ft.

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