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11. The map belowis of Chelsea, which is a part of Manhattan in New York, USA.


W. 26th St W. 25th St


W. 24th St W. 23rd St W. 22nd St W. 21st St


W. 20th St W. 19th St W18th St W.17th St W. 16th St W.15th St W. 14th St


26th St 25th St


CHELSEA


W. 24th St W. 23rd St W. 22nd St W. 21st St


W. 20th St W. 19th St W18th St W.17th St W. 16th St W.15th St W. 14th St


(i) List three pairs of streets that are parallel.


(ii) List three pairs of streets that are perpendicular to each other.


(iii) List one pair of streets which are neither parallel nor perpendicular to each other.


12. The photo belowshows the lines on an airport runway.


MADISON SQUARE PARK


14. Opposite is an image from behind the goal posts on a GAA pitch. The two vertical posts are referred to as the uprights and the horizontal bar is referred to as the cross bar.


(i) Are the two uprights parallel or perpendicular to each other?


(ii) Is the crossbar parallel or perpendicular to the uprights?


15. Belowis a diagram which gives the various markings on a pitch used for hurling and Gaelic football.


sideline


(i) Which vertical line in this diagram represents the midpoint of the side lines? Give a reason for your answer.


(i) Are the rows of white lines parallel, perpendicular, or neither?


(ii) When a plane is rolling on this runway, does it normally roll parallel or perpendicular to the white lines shown on this image?


13. The photo belowshows steel train tracks fi xed to wooden planks known as ‘sleepers’.


(ii) Are the side lines parallel or perpendicular to the end lines?


(iii) What is the total length of the pitch from end line to end line?


16. Examine the photo opposite, which shows Liberty Hall in Dublin.


(i) Are the sleepers parallel or perpendicular to the train tracks?


(ii) Are the sleepers parallel or perpendicular to each other?


(i) There is a lift inside this building that travels vertically up through the building. As the lift rises up through the building, is its path parallel or perpendicular to the street below?


(ii) Give three examples of things that are parallel which you might see in everyday life.


(iii) Give three examples of things that are perpendicular which you might see in everyday life.


Section A Introducing concepts and building skills


49


3 Points, lines and angles


10th Av


9th Av 8th Av


7th Av


Av of the Americas (6th Av)


5th Av


end line


13 m 21 m


45 m


45 m 65 m


21 m 13 m


end line


Broadway


sideline


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