3 years ago

Two ladders are leaning against a wall at the same angle, as shown. How long is the short ladder?

2 answers:

5 0

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

zavuch27 [327]3 years ago

3 0

Set a porportion: 60/50=x/20 and solve for x=24

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