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sashaice [31]
3 years ago
11

The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 39°. The bottom of

the ladder is 48 ft from the base of the wall. Approximately how long is the ladder?
Mathematics
1 answer:
rewona [7]3 years ago
5 0
Cosα=x/L

L=x/cosα, we are told that the ladder base is 48 ft from the base of the wall and α=39° so:

L=48/cos39 ft

L≈61.76 ft (to nearest hundredth of a foot)
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