Grade Six
Rini was assigned to take a journey from place A to place B on the condition that he should not follow the path of straight line from A to B. He was given 2 choices, first take the form of half-way great circle arc AB and the second through an arc-shaped path AC followed the path that shaped arc CB.
Given that the distance of a place A to place B is 10 km and the C right in the middle of the line AB. Determine how the difference in distance traveled by the first choice and the distance traveled by the second option !
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Magic Square
Note the rectangular 4 x 4 below!
If each row, column and diagonal on the square at the top should be filled by all the numbers 1, 2, 3 and 4 the value of K + N is ….
A. 3
B. 4
C. 5
E. 6
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