A ladder 12 m long with its foot on the street rests against the wall of a house on one side of the street 10 m high. By moving the ladder about its foot, it can reach the wall of the house on the opposite side of the street, but 3 m back of the street line, at a point 6 m high. Find the width of the street. A. 13 m B. 15 m

A ladder 12 m long with its foot on the street rests against the wall of a house on one side of the street 10 m high. By moving the ladder about its foot, it can reach the wall of the house on the opposite side of the street, but 3 m back of the street line, at a point 6 m high. Find the width of the street. A. 13 m B. 15 m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Stair construction and layout

Stair is a type of vertical transportation in a building which consist of a series of steps in a flight of stairs that enable the vertical movement of people and materials from one floor to another. A staircase consists of steps that comprises of riser & tread, handrail, baluster, stair stringers, newel post and waist slab. The construction of staircase with all the components is termed as stair construction. A staircase is an enclosure that contains the entire stairway. The materials used for the construction of stairs are bricks, reinforced cement concrete, stone, lumber, steel and a combination of these materials.

Question

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A ladder 12 m long with its
foot on the street rests
against the wall of a house
on one side of the street 10
m high. By moving the
ladder about its foot, it can
reach the wall of the house
on the opposite side of the
street, but 3 m back of the
street line, at a point 6 m
high. Find the width of the
street.
А. 13 m
В. 15 m
С. 12 m
D. 14 m
E. None of the above

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