Danny Low's answer to Rosie's Secondary 3 E Maths Singapore question.
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Hope this helps
Date Posted:
1 year ago
thank you ill see if i understand
Sorry I was not specific enough. M(AB) means the Gradient of the line segment AB. This is calculated using the formula
Y1 - Y2
————
X1 - X2
where (X1,Y1) and (X2,Y2) are the coordinates of the points respectively.
When the gradients of 2 line segments are equal they must be parallel and vice versa. Hope this clarifies.
Y1 - Y2
————
X1 - X2
where (X1,Y1) and (X2,Y2) are the coordinates of the points respectively.
When the gradients of 2 line segments are equal they must be parallel and vice versa. Hope this clarifies.
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