iv. What do you understand by the word Equality?
d) Answer the following questions.
i. The length of the latitudes decreases from the equator towards the poles. Why?
i. Write any one characteristic of the latitude,
i. How are latitudes numbered?
iv. Apart from the values, the latitudes are also marked N(North) or S(South). Why?
Answers
Explanation:
Answer: Corresponding angles are congruent. Therefore, measure of corresponding angle is 40⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
iv.Equality is when things are the same (equal) in some particular way. You had to rethink your campaign for equality in the household when you realized this meant doing your own laundry and sharing the remote control.
d)
i. In any sphere the circumference is lengthier at 0°. So equator is lengthiest latitude and the degree increases or move away from equator to pole the circumference of globe decreases hence latitudinal length also decreases. The length of a parallel increases as we move away from the poles towards the equator.
ii.Lines of latitude are numbered from the equator, which is the 0 degree line of latitude. ... Because lines of latitude are numbered consecutively from the equator both to the north and to the south, each line (except for the equator) is identified by a number from 1 to 90, and the letter Nor S (North or South).
iii.The other lines of latitude are numbered from 0 to 90 degrees going towards each of the poles. The ones going from the equator towards the North Pole (shown in blue) are 'north' latitude, and each of the numbers is followed by the letter 'N'.
iv.Longitudes and Latitudes
Important parallels of latitudes
Prime Meridian and Time Zones
Time Zone in India
Globe: Globe is a miniature model of the earth. Globe is fixed between two pivots. It can be rotated around the pivots. Globes come in different shapes and sizes. Globes can be very big or can be very small in size. Inflatable globes are also available.
Globe is very useful while studying about the earth.
The Poles: The top and bottom of the earth are called the Poles. They are similar to the top and bottom of the globe. The top is called the North Pole and the bottom is called the South Pole.
Axis: The way a glove rotates around the pivots, the earth also rotates around an imaginary line. The imaginary line around which the earth rotates is called the axis of the earth.
Equator: An imaginary line passes horizontally from the middle of the earth’s surface. This line is called the equator. The equator divides the earth into two equal halves. The northern half is called the Northern Hemisphere. The southern half is called the Southern Hemisphere.
Parallels of Latitudes: All parallel circles from equator up to the poles are called parallels of latitude. Latitudes are measured in degrees.
Degree of Latitudes: The equator shows the zero degrees latitude. The distance from the equator to either of the Poles is one fourth of a circle around the earth. Hence, this distance is equal to one-fourth of 3600, i.e. 900. So, the latitude of the Poles is 900. The latitude of the North Pole is 900 north and that of the south Pole is 900 south.
The value of each latitude is followed by the words north, or south or N or S. All parallels to the north of the equator are called north latitudes. Similarly, all parallels to the south of the equator are called south latitudes. For example; the latitude of Delhi is about 280N.
Important Parallels of Latitudes: Apart from the equator (00) and the Poles (900); there are four important parallels of latitudes. They are as follows:
Tropic of Cancer 23.50 N (230 30’N) or 23 degrees 30 minute north
Tropic of Capricorn 23.50 S (230 30’S) or 23 degrees 30 minute south
Arctic Circle 66.50 N (660 30’N) or 66 degrees 30 minute north
Antarctic Circle 66.50 N (660 30’N) or 66 degrees 30 minute south
important parallels of latitudes
Fig: Important Parallels
The Tropic of Cancer and the Arctic Circle are present in the Northern Hemisphere. The Tropic of Capricorn and the Antarctic Circle are present in the Southern Hemisphere.