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1. Introduction
2. Distance Formula
3. Section Formula
4. Area of a Triangle
5. Summary

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Chapter – 7 coordinate geometry

Complete Chapter Course on Coordinate Geometry!

Coordinate geometry is, basically, a system, which deals with the positions of points on the plane using an ordered pair of numbers.

ScoreXTM helps you comprehend the concept behind the NCERT coordinate geometry.

What is covered in this course?

In the course, we explain all the topics that are relevant to the chapter including the NCERT solutions Class 10 Chapter 7 coordination geometry to make the learning much efficient.

Coordinate Plane

A 2-d figure or a plane on which the coordinates x and y are located. It has two scales called the x – axis and y – axis at right angle to each other.

X-axis - This refers to horizontal line, and they are both positive and negative in left to right direction.

Y-axis - The vertical scale is called the y axis and they are also both positive and negative in up and down direction.

Origin - It refers to the point where both the axis meets. And it is the point of measurement that means all the measure through axis is done by this point.

Quadrants - The four areas which are divided by the plane are called quadrants.

Uses of coordinate geometry in our day to day life:-

·         In locating places/ geography

·     In movie theaters

·     In various graphs

You will learn to find the distance between 2 points, and also, the area of triangle formed by the 3 points whose coordinates are given.

To know the full detailed and full explanation of this chapter, get our full course now.

1. Q.No 1 - The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is

30º

45º

60º

90º

1/10
2. Q.No 2 - Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

1/3

1/8

2/8

1/16

2/10
3. Q.No 3 - 2442 , 1222 , 614 , 312 ,163 , 90 , 55.75 Look at series carefully and find the wrong number

1222

312

90

614

None of the above

3/10
4. Q.No 4 - The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

0

1

10

19

None of the above

4/10
5. Q.No 5 - Look carefully for the pattern, and then choose which pair of numbers comes next 42, 40, 38, 35, 33, 31, 28

25, 22

26,23

26, 24

26,22

None

5/10
6. Q.No 6 - Find the wrong number in the following series. 3252 , 3080 , 2958 , 2876 , 2826

3080

2876

2826

3252

None

6/10
7. Q.No 7 - A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

12 days

15 days

16 days

18 days

None

7/10
8. Q.No 8 - A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

10/21

11/21

2/7

5/7

None

8/10
9. Q.No 9 - A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

650

690

698

700

None

9/10
10. Q.No 10 - 5, 50, 45, 450, 445, ?, 4445

4450

4600

4550

4500

None of the above

10/10