1 A 1 B 1 C 1 D 2 3 4 5 6 7 8 9 10 11 A 11 B 11 C 11 D 11 E 12 A 12 B 12 C 12 D 12 E

West Bengal Mathematics

19. Co-ordinate Geometry: Internal and External Division of Straight Line Segment

1. Real Numbers
2. Laws of Indices
3. Graph
4. Co-ordinate Geometry: Distance Formula
5. Linear Simultaneous Equations
6. Properties of Parallelogram
7. Polynomial
8. Factorisation
9. Transversal and Mid-Point Theorem
10. Profit and Loss
11. Statistics
12. Theorems on Area
13. Construction: (Construction of a Parallelogram whose measurement of one angle is given and equal in area of a triangle)
14. Construction: (Construction of a triangle equal in area of a quadrilateral)
15. Area and Perimeter of Triangle and Quadrilateral Shaped Region
16. Circumference of Circle
17. Theorems on concurrence
18. Area of Circular Region
19. Co-ordinate Geometry: Internal and External Division of Straight Line Segment
20. Co-ordinate Geometry: Area of Triangular Region
21. Logarithm

Let us Calculate 19

1 A 1 B 1 C 1 D 2 3 4 5 6 7 8 9 10 11 A 11 B 11 C 11 D 11 E 12 A 12 B 12 C 12 D 12 E

Q. 11 D3.9( 7 Votes )

A point which divides the line segment joining two point s (2, –5) and (–3, –2) externally in the ratio 4: 3. The ordinate of point is
A. –18

B. –7

C. 18

D. 7

Class 9th West Bengal Mathematics 19. Co-ordinate Geometry: Internal and External Division of Straight Line Segment

Answer :

Let the co-ordinates of the point which divides the line segment be (x, y) –

We know, ordinate is y – coordinate of any point .

And, we know, By section formula

⇒ y = 7

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