16 articles trouvés pour ce sujet.
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A ladder against a wall |
2014-07-09 |
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thabo pose la question : A ladder 6.5m long,leans against a wall so that the top of the ladder is 4.8m from the ground.what is the angle of elevation of the ladder to the top of the wall Penny Nom lui répond. |
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A ladder against a wall |
2010-03-25 |
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amber pose la question : the distance from the bottom of the ladder to the building is18 foot less than the length of the ladder.How high up the building is the top of the ladder if that distance is 1 ft less than the length of the ladder? Penny Nom lui répond. |
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A 6m ladder is placed against a wall |
2010-03-09 |
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Trevor pose la question : A 6m ladder is placed against a wall making a 56 degree angle with the ground. How far up the wall does the ladder reach? Harley Weston lui répond. |
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A 25 foot ladder reaches a window 20 feet high |
2010-02-27 |
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Tanner pose la question : a 25 foot ladder reaches a window 20 feet high. how far is the ladder from the building? how far must the foot of the ladder be moved to lower the top of the ladder by four feet? Tyler Wood lui répond. |
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Ladder Leaning on a Wall |
2009-05-14 |
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clinton pose la question : a ladder rests against a wall 24m high.the foot of the ladder is 7m from the foot of the wall. How do you calculate the length of the ladder Robert Dawson lui répond. |
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A ladder against a wall |
2009-04-08 |
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Jessica pose la question : The angle of elevation of a 15 ft. ladder is 70 degrees, find out how far the base of the ladder if from the wall. Penny Nom lui répond. |
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The length of a ladder |
2009-03-30 |
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Susan pose la question : The foot of an extension ladder is 7 ft. from a wall. The height that the ladder reaches on the wall and the length of the ladder are consecutive integers. How long is the ladder? Penny Nom lui répond. |
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How far is the ladder from the wall? |
2008-07-10 |
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Al pose la question : a ladder is leaning against a wall at a 70 degree angle and the ladder is 20 feet tall...how far away is the ladder from the wall Penny Nom lui répond. |
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How high does the ladder reach? |
2007-06-11 |
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Madi pose la question : A ladder 8 ft long resting on a house makes a 60 degree angle with the ground. how far up the house does it reach? Stephen La Rocque lui répond. |
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Rate of ladder falling |
2006-04-30 |
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Harsh pose la question : A ladder 4 m long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a speed of 30 cm/s, how quickly is the top of the ladder sliding down the wall when the bottom of the ladder is 2 m from the wall? Stephen La Rocque lui répond. |
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Ladder and wall |
2006-04-27 |
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Lori pose la question : A 12-foot ladder is leaning across a fence and is touching a higher wall located 3 feet behind the fence. The ladder makes an angle of 60 degrees with the ground. Find the distance from the base of the ladder to the bottom of the fence. Stephen La Rocque lui répond. |
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A 25 foot ladder is leaning against a building. |
2006-03-24 |
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Ali pose la question : A 25 foot ladder is leaning against a building. The base of the ladder is 7 feet from the building. How high up the building does the ladder reach? Stephen La Rocque lui répond. |
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GCF, LCM, primes and the ladder method |
2006-01-07 |
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Linda pose la question : How would I teach both finding the GCF and LCM with prime factors...I recall the ladder method vaguely.??? Penny Nom lui répond. |
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A 16 foot ladder |
2003-09-04 |
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Kelly pose la question : Two buildings are separated by a three-foot alleyway. Fatima wants to use a 16 foot ladder to reach a window in the wall of one of these buildings. If she places the foot of the ladder against the base of the other building, how far up the wall will the top of the ladder reach?? Penny Nom lui répond. |
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The shortest ladder |
1999-06-26 |
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Nicholas pose la question : A vertical wall, 2.7m high, runs parallel to the wall of a house and is at a horizontal distance of 6.4m from the house. An extending ladder is placed to rest on the top B of the wall with one end C against the house and the other end, A, resting on horizontal ground. The points A, B, and C are in a vertical plane at right angles to the wall and the ladder makes an angle@, where 0<@ Harley Weston lui répond. |
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A ladder problem |
1999-04-22 |
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Michael Blade pose la question : There is a cube box 3feet x 3feet x 3ft resting against a vertical wall on level ground. Resting against the outside corner of the box is a ladder 10 feet tall, this ladder is of course resting on the ground but also against the outside corner of the box and rests on the wall. The question- the ladder is divided into two unequal section bounded by the box to the ground and the box to the wall. what are those dimensions? Penny Nom lui répond. |
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