How long should the crossbar be taken so that it can be put at its ends on two vertical supports 4 m
| March 25, 2021 | education
How long should the crossbar be taken so that it can be put at its ends on two vertical supports 4 m and 8 m high, placed at a distance of 3 m from one another?
AB = 8 – 4 = 4;
X is found by the Pythagorean theorem: x ^ 2 = 3 ^ 2 + 4 ^ 2 = 25. Hence x = 5.
Answer: 5.
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