Daniel990
Daniel990 Daniel990
  • 25-01-2018
  • Mathematics
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Two ladders are leaning against a wall at the same angle, as shown. How long is the short ladder?

Two ladders are leaning against a wall at the same angle as shown How long is the short ladder class=

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gustanika
gustanika gustanika
  • 25-01-2018
for example, l is the length of short ladder we want to find

Make a comparison
ladder/wall height = ladder/wall height
l/20 = 60/50
l/20 = 6/5
l = 6/5 × 20
l = 120/5
l = 24

The short ladder is 24 ft
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