The construction dates of significant landmarks
are given below. AD is represented by positive
integers and BC by negative integers.
А
B.
с
D
E
2650 BC 432 BC
Great Pyramid of Pantheon
Giza
204 AD
Great Wall
of China
1161 AD
Angkor Vat
Temple
1470 AD
Machu
Picchu
Write the following differences in ascending order.
(A -D), (C-B), (D-E), (C - D), (A - E)
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Given coordinates of four points in a plane, find if the four points form a square or not.
To check for square, we need to check for following.
a) All fours sides formed by points are the same.
b) The angle between any two sides is 90 degree. (This condition is required as Quadrilateral also has same sides.
c) Check both the diagonals have the same dis
Given coordinates of four points in a plane, find if the four points form a square or not.
To check for square, we need to check for following.
a) All fours sides formed by points are the same.
b) The angle between any two sides is 90 degree. (This condition is required as Quadrilateral also has same sides.
c) Check both the diagonals have the same distance
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