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secondary 3 | E Maths
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Coordinate geometry
Date Posted: 2 years ago
Views: 237
A (1, 2)
B (6, 7)
P lies on the line segment AB (means P is between A and B)
AP : BP = 2 : 3
Observe that moving from A to B results in a movement 5 units to the right (6 - 1 = 5) and 5 units upwards (7 - 2 = 5).
Because AP : BP : AB = 2 : 3 : 5, it’s clear that moving from A to P results in a movement 2 units to the right and 2 units upwards from point A.
Coordinates of P
= (1 + 2, 2 + 3)
= (3, 4)
B (6, 7)
P lies on the line segment AB (means P is between A and B)
AP : BP = 2 : 3
Observe that moving from A to B results in a movement 5 units to the right (6 - 1 = 5) and 5 units upwards (7 - 2 = 5).
Because AP : BP : AB = 2 : 3 : 5, it’s clear that moving from A to P results in a movement 2 units to the right and 2 units upwards from point A.
Coordinates of P
= (1 + 2, 2 + 3)
= (3, 4)
See 1 Answer
done
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clear
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I drew it out neatly... but a simple sketch is adequate to help you visualise the triangles to use, as well as the correct length ratios.
Date Posted:
2 years ago
Thank you
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