MENU

Coordinate Geometry Ex 7.2 Solutions

Question - 1 : - Find the coordinates of the point whichdivides the join of (- 1, 7) and (4, – 3) in the ratio 2:3.

Answer - 1 : -

Question - 2 : - Find the coordinates of the points oftrisection of the line segment joining (4, -1) and (-2, -3).

Answer - 2 : -

Question - 3 : -

To conduct SportsDay activities, in your rectangular shaped school ground ABCD, lines have beendrawn with chalk powder at a distance of 1 m each. 

Answer - 3 : - 100 flower pots have been placed at a distance of 1 m from each other along AD, as shown in the following figure. Niharika runs 1/4 th the distance AD on the 2nd line and posts a green flag. Preet runs 1/5th the distance AD on the eighth line and posts a red flag. What is the distance between both the flags? If Rashmi has to post a blue flag exactly halfway between the line segment joining the two flags, where should she post her flag?

Solution

Question - 4 : -

Find the ratio inwhich the line segment joining the points (-3, 10) and (6, – 8) is divided by(-1, 6).

Answer - 4 : -

Question - 5 : -

Find the ratio inwhich the line segment joining A (1, – 5) and B (- 4, 5) is divided by thex-axis. Also find the coordinates of the point of division.

Answer - 5 : -

Question - 6 : -

If (1, 2), (4, y),(x, 6) and (3, 5) are the vertices of a parallelogram taken in order,find and y.

Answer - 6 : -

Question - 7 : -

Find the coordinatesof a point A, where AB is the diameter of circle whose centre is (2, – 3) and Bis (1,4).

Answer - 7 : -

Question - 8 : -

If A and B are (-2,-2) and (2, -4), respectively, find the coordinates of P such that AP = 3/7 AB andP lies on the line segment AB.

Answer - 8 : -

Question - 9 : -

Find the coordinatesof the points which divide the line segment joining A (- 2, 2) and B (2, 8)into four equal parts.

Answer - 9 : -

Question - 10 : -

Find the area of arhombus if its vertices are (3, 0), (4, 5), (-1, 4) and (-2,-1) taken in order.

[Hint: Area of arhombus = 1/2(product of its diagonals)

Answer - 10 : -

Free - Previous Years Question Papers
Any questions? Ask us!
×