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BISECTING A LINE |
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Dividing a line into two equal portions is a geometrical skill called ‘bisecting a line’. |
HOW TO BISECT A LINE |
DRAW A HORIZONTAL LINE. SET A COMPASS TO OVER HALF THE LINES LENGTH (KEEP THE COMPASS AT THIS DISTANCE). STRIKE FOUR ARCS AS SHOWN BELOW. DRAW A PERPENDICULAR LINE THROUGH BOTH ‘CROSSES’ AND YOU WILL HAVE BISECTED THE ORIGINAL LINE. |
BISECTING AN ANGLE |
STAGE ONE |
STAGE TWO |
STAGE THREE |
STAGE FOUR |
FINDING THE CENTROID (CENTRE) OF A TRIANGLE |
STAGE ONE |
STAGE TWO |
STAGE THREE |
AS FURTHER PROOF THAT THIS TECHNIQUES WORKS ON TRIANGLES: DRAW AN ISOSCELES TRIANGLE AND BISECT ALL THE SIDES. |
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