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mafiozo [28]
3 years ago
14

. Determine whether the forces in the pair are pulling at right angles to each other. For each group of three forces below, dete

rmine whether the forces in each pair are pulling at right angles to each other. 13 lb, 35 lb, resultant force 30 lb no; 20 lb, 15 lb, resultant force 25 lb yes 13 lb, 35 lb, resultant force 30 lb yes; 20 lb, 15 lb, resultant force 25 lb yes 13 lb, 35 lb, resultant force 30 lb yes; 20 lb, 15 lb, resultant force 25 lb no 13 lb, 35 lb, resultant force 30 lb no; 20 lb, 15 lb, resultant force 25 lb no
Mathematics
1 answer:
Marat540 [252]3 years ago
3 0

Answer:

13lb

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

The sum of angles A and D is 180°, so the sum of their half-angles is 90°. That is, half of A plus half of B add to 90°, so the bisector from B intersects AE at a right angle. Call that point of intersection X.

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2 years ago
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mash [69]

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Step-by-step explanation:

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