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A ladder that leans against a building makes an angle of 49 degree with the ground and reaches a point on the building 12m above the ground Find the length of the ladder to the nearest meter?

The ladder forms a right angle with the building: the ground and the building forming the right angle and the ladder forming the hypotenuse. If the length of the ladder is L metres, then sin(49) = 12/L So L = 12/sin(49) = 15.9 = 16 metres.


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 window sill is 12 feet above the ground How far must a ladder extend to reach the sill if the foot of the ladder is 5 feet from the building?

17


Can you move a ladder on a Gibraltar pool?

If it is an above ground yes


A painter is painting a mural on a wall. He has a 20-foot ladder. He needs to work on a part of the wall that is 16 feet above the ground. How far from the base of the building should he place the foo?

Using Pythagoras' theorem the the foot of the ladder should be 12 feet away from the base of the building.


How important is a ladder in a swimming pool?

Ladder's are very important in a swimming pool. If you don't have a ladder, people can get hurt. If there is an emergency and someone needs help, it would take a while for the person to get help.


How many feet above the top of the building should the tip of the ladder reach?

20


A woman has a ladder that is 13 feet long. if she sets the base of the ladder on level ground 5 feet from the side of the househow many feet above the ground will the ladderbewhenitrestsonthehouse?

12 feet


How far is the base of a ladder that is 25 feet long leaning on a building 24 feet above the ground?

Using Pythagoras' theorem the length of the base is 7 feet


What is the proper grounding diagram for an above ground pool?

The proper grounding diagram for an above ground pool typically involves connecting the pool's metal components, such as the frame and ladder, to a grounding rod buried in the ground. This helps to prevent electrical shocks and ensures the safety of those using the pool. It is important to follow local building codes and regulations when installing the grounding system for an above ground pool.


A 5 foot ladder is leaning against a 4 foot wall How many feet above the ground does the ladder touch the wall?

9


A 15-foot ladder is leaning against a 30-foot wall The bottom end of the ladder is 9 feet from the wall How many feet above the ground does the ladder touch the wall?

12