there are 2 poles having the same height i.e 50m.A cable is hanging from the tpo of pole A to top the pole B .the length of the cable is 80m. and the distance from the ground to the bottom of the cable is 20m.find the distance from pole A to pole B.
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Answer:60m
Step-by-step explanation:
CONSIDER THE THE ROPE HANGING..SINCE IT IS JUST 20m FROM GROUND IT WILL FORM A PARABOLA..WHEN YOU JOIN TE THE TIPS O BOTH THE POLES,YOU WILL MAKE A SEMICIRCE WITH A RADIUS OF 30m...THEREFORE THE DISTANCE BETWEEN THE POLES IS ITS DIAMETER=60m
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