thewhitestripesfan
thewhitestripesfan thewhitestripesfan
  • 20-07-2018
  • Mathematics
contestada

a 10 ft. ladder leans against a wall so the base of the ladder is 4 ft. from the wall. how high up on the wall will the ladder reach?

A. 9.17
B. 84
C. 10.4

Respuesta :

Аноним Аноним
  • 20-07-2018

Using Pythagoras theorem:-


10^2 = 4^2 + h^2


h^2 = 100 - 16 = 84


h = sqrt 84 = 9.17 ft answer

Answer Link

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