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For a working height of 12 feet, the ladder should be placed at a base distance of approximately 3 feet away from the wall for every 4 feet of ladder height. This means the base of the ladder should be about 9 feet from the wall. Additionally, ensure that the ladder is on stable ground and that the top is securely positioned against the surface to prevent slipping. Always follow the manufacturer's guidelines for specific ladder types.
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A 40 foot ladder is placed against a building the ladder forms a 75 degree angle with the ground How high up the building does the ladder reach?
115
A painter is standing at the base of a ladder that is leaning against the side of a house. What angle do the ladder and the house form?
The angle formed between the ladder and the house is typically a right angle (90 degrees) if the ladder is resting against the wall of the house. This assumes that the base of the ladder is on the ground and the wall is vertical. If the ladder is leaning at an angle, the specific angle would depend on how far the base of the ladder is from the wall and its height against the wall.
What is the height base ratio for a ladder?
The height-to-base ratio for a ladder is determined by the relationship between the vertical height the ladder reaches and the distance from the base of the ladder to the wall or structure it leans against. A common guideline is to maintain a ratio of 4:1, meaning that for every four feet of height, the base should be one foot away from the wall. This helps ensure stability and safety while using the ladder.
What is the four to one rule when using a ladder?
this means that for every four feet of the ladders height you must set out one foot from the place you are working in order to be stable
A ladder is leaning against a wall If the angle is between the ground and the ladder at 60 degrees and the wall is 4m how long is the ladder Give exact values?
If the angle between the ladder and the ground is 60 deg, and you know the angle between the ground and the wall is 90 deg, then you have a 30-60-90 degree triangle, which is a common triangle. You should memorize this one. The commonest sides of this right triangle are 4-5-6, with the longest side being the hypoteneuse, in this case the ladder leaning from the ground to the wall. The wall is 4m high, the base of the ladder would be 5m out from the wall, and the length of the ladder is 6m.
What is the minimum height of a ladder required for me to reach the top of the roof?
To determine the minimum height of a ladder needed to reach the top of the roof, measure the vertical distance from the ground to the top of the roof. This measurement will be the minimum height required for the ladder.
Was the difference between height and slant height?
Lean a ladder against a wall. Not too steep . . . Give it a nice angle, for safe climbing. The height is the distance between the ground and the place where it hits the wall. The slant height is the length of the ladder.
If A ladder leaning against a wall makes a 60 angle with the ground the base of the ladder is 3 m from the building how high above the ground is the top of the ladder?
This answer uses trigonometry to avoid a lot of work:tangent = opposite/adjacent and tangent*adjacent (base of ladder from the building) = opposite (height of ladder above ground)So: tangent 60 degrees*3 = 5.196152423Therefore: Top of the ladder above ground = 5.2 meters correct to one decimal place.More laborious methodThe right triangle formed by the wall, ground and ladder has sides in the ratio of 1::2::sq-rt-of-3. The shortest side is the one opposite the 30 degree angle, i.e., the given distance from wall to base of the ladder--3 m.The length of the ladder represents the hypotenuse of the triangle, and is twice as long, hence 6 m.And the height of the ladder's top from the ground is proportional to the third side whose length is sq-rt-3 times that of the shortest side. Sq-rt-3 is about 1.732, so height of the ladder's top at the wall is about 5.20 m, or 520 cm.
A 40 foot ladder is placed against a building the ladder forms a 75 degree angle with the ground How high up the building does the ladder reach?
115
A 13 foot ladder is leaning against the top of a wall so that the base is 5 feet from the base of the wall What is the height of the wall from the ground?
18
What kind of energy does a person climbing a ladder have plzzz answer?
A person climbing a ladder is using mechanical energy, if you are talking about types of energy.
In order to reach a roof that's located 24 feet above the ground the ladder used must extend to a height of at least?
Assuming it is a two section ladder then it must therefore have a minimum length of 28 feet.
How is a combination ladder used?
A combination ladder can be used in various configurations, such as an extension ladder, step ladder, or staircase ladder. It typically has adjustable locking mechanisms to secure it in the desired position. Users should always make sure the ladder is on stable ground and follow safety guidelines when climbing.
What is the answer.In this picture the dotted line represents a ladder. How high on the house does the ladder reach?
It appears to be a question that involves Pythagoras' theorem of a right angle triangle whereas the dotted line represents the hypotenuse and without any relevant information the height of the ladder from the ground can't be worked out.
When a painter leans a 20 foot ladder against a building the base of the ladder is 12 feet from the building to the nearest foot how high on the building does the ladder go?
32
A 30 foot ladder leaning against the side of a house makes a 70 degrees 5' angle with the ground how far up the side of the house does the ladder reach?
Round the base angle to 70 degrees and use the sine ratio: 30*sine 70 degrees = 28.19077862 feet Height of ladder from the ground = 28 feet to 2 s.f.
A 10-m ladder is leaning against a building The bottom of the ladder is 5 m from the building. how high is the top of the ladder?
Its pythagoras: 102 - 52 = vertical height2. So 100-25 = vertical height2. Then the square root of 75 must = vertical height. Which makes the top of the ladder 8.66 feet (8ft 8 inches) from the ground.
