Mathematics, 13.11.2020 02:20, amulets7017

If a 650cm ladder is placed against a building at a certain angle, it just reaches a point on the building that is 520 cm above the ground. If the ladder is moved to reach a point 80 cm higher up, how much closer will the foot of the ladder be to the building?

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If a 650cm ladder is placed against a building at a certain angle, it just reaches a point on the bu...