3d coordinate geometry


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Question 6
image Question: Prove that the points (3, 1), (4, 3), (0, 3) and (-1, 1) are the vertices of a parallelogram. Or diagonals bisect each other. [3 Mark] Hint: Show that the opposite sides are equal Hint:Show that the opposite sides are equal Answer: ..
Coordinates
The coordinates of a point are quantities, which determine the position of the point. If for instance, a point P lies somewhere on a straight line XX', then its position may be defined by a single number in the following way: Choose some reference point O (or initial point)on XX' and meas..
Coordinates
The coordinates of a point are quantities, which determine the position of the point. If for instance, a point P lies somewhere on a straight line XX', then its position may be defined by a single numbe..
Coordinates and Points
Coordinates - The coordinates of a point are quantities, which determine the position of the point. If for instance, a point P lies somewhere on a straight line XX', then its position may be defined by a single number in the following way: Choose some reference point O (or initi..
Rectangular coordinate system
Rectangular coordinate system - The position of a point in a plane is determined by two coordinates. The method is as follows: Two mutually perpendicular lines (straight lines) XX' and YY' are drawn as shown in the figure. These straight lines are termed as coordinate ..
Rectangular coordinate system
The position of a point in a plane is determined by two coordinates. The method is as follows: Two mutually perpendicular lines (straight lines) XX' and YY' are drawn as shown in the figure. These straight lines are termed as coordinate axes, the one (usually drawn horizontally)..
Rectangular Coordinate System
The position of a point in a plane is determined by two coordinates..
Area of a triangle
If the coordinates of the vertices of the D ABC are A(x 1 ,y 1 ), B(x 2 ,y 2 ) and C(x 3 ,y 3 ), then the area of triangle is given ..
Area of a triangle
Area of a triangle - If the coordinates of the vertices of the D ABC are A(x 1 ,y 1 ), B(x 2 ,y 2 ) and C(x 3 ,y 3 ), then the area of triangle is given ..
Question 1
imageD is (1, -2). C divides PQ in the ratio 2:3. C is (2,-4). B divides PQ in the ratio 3:..
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