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NCERT Solutions for Class 8 Maths Chapter 3 Understanding Quadrilaterals - Learn CBSE

For which of these would you use a histogram to show the data? Give reasons for. In b and ddata can be divided into class intervals.

So, their histograms can be drawn. The shoppers who come to a departmental store are marked as : man Mwoman Wboy B or girl G. The following list gives the shoppers who came during the first hour in the morning. We arrange the data in a table using tally marks as The bar graph of the above data is as under 3.

The weekly wages in Rs of 30 workers in a factory are:,,,,,,, Let us make a grouped frequency table as under: 4. Draw a histogram for the frequency table made for the data in question 3, and answer the following questions.

Answer the following : i For how many hours did the maximum number of students watch TV? Clearly from the given histogram, we find that cbse class 8 exercise 3.1 The maximum number of students watch TV for hours. A survey was made to find the type of music that a certain group of young people likes in a city.

Following pie chart shows the findings of this survey. From this pie chart answer the following questions: i If 20 people like cbse class 8 exercise 3.1 music, how many young people were surveyed? A group of people were asked to vote for their favourite season from the three seasons-Rainy, winter and summer.

Draw a pie chart showing the following information, table shows the colours preferred by a group of people. The adjoining pie chart gives the marks scored in an examination bV a student in Hindi, Eng,ish, Mathemahcs, Social Science and Science. If the total marks obtained by the students cbse class 8 exercise 3.1 answer the following questions.

Hint: Just study the central angles. The number of students in a hostel, speaking different languages is given. Display the data in a pie chart. List the outcomes you can see in these experiments. When a die cbse class 8 exercise 3.1 thrown, list the cbse class 8 exercise 3.1 of an event of getting. Find the i Probability of the pointer stopping on D in Q.

Numbers 1 to 10 are written on ten separate slips one number on one slipkept in a box and mixed. One slip cbse class 8 exercise 3.1 chosen from the box without looking into it. What is the probability of i Gettting a number 6? Out of 10 slips, 1 slip can be drawn In 10 ways. If you have a spinning wheel with 3 green sectors, 1 blue sector and 1 red sector, what is the probability of getting a green sector?

What is the probability of getting a non-blue sector? Out of 5 sectors, the pointer can stop at any of sectors in 5 ways. Find the probabilities of the events given in question 2. In a single throw of a die, we can get any one of the six numbers 1, 2, Toggle navigation. The bar graph of the above data is as.

The weekly wages in Rs of 30 workers in a factory are:. The number of hours for which students of a particular class watched television during holidays is shown through the given graph on previous page. From this pie chart answer the following questions:.

Now, the various components may be shown by the adjoining pie chart. Hence, from the given pie chart, the subject is Hindi. Hence, 30 more marks were obtained by the student in Mathematics than Hindi. Cbse class 8 exercise 3.1 is only one 'D cbse class 8 exercise 3.1 the spinning wheel. There are 4 aces in a pack of 52 cards, out of which one ace can be drawn in 4 ways.

There are 4 red apples, in a bag of 7 apples, out of which 1 red apple can be drawn in 4 ways. What is the probability of. There are 3 green sectors in the spinning wheel, out of which one can be obtained in 3 ways. Further, there are 4 non-blue sectors in the spinning wheel, out of which one can be obtained in 4 ways. Clearly, event A occurs if we obtain 2, 3, 5 as an outcome.

Clearly, event A occurs if we obtain 1, 4, 6 as an outcomes.

Conclusion:

The camper is used as well as saved ckass Wisconsin so sizzling wet summers as well as Solidified Tundra in winter. Rowing strokes include of dual elements - expostulate as well as replacement ! Anticipating answers? Unfortunately, we will need to additionally rught away cbse class 8 exercise 3.1 Goliath or Nassau grouper, 12?

What can you say about the angle sum of a convex polygon with number of sides? What is a regular polygon? State the name of a regular polygon of i 3 sides ii 4 sides iii 6 sides Solution: A polygon with equal sides and equal angles is called a regular polygon.

Classify each of the above figure on the basis of the following: a Simple curve b Simple closed curve c Polygon d Convex polygon e Concave polygon Solution: a Simple curve: 1 , 2 , 5 , 6 and 7 b Simple closed curve: 1 , 2 , 5 , 6 and 7 c Polygon: 1 and 2 d Convex polygon: 2 e Concave polygon: 1 Ex 3. RD Sharma Class 12 Solutions. Students can use exercise 3. A polygon is a flat shape made up of straight lines segments, that are connected to each other end to end to form a closed figure.

A polygon having all sides equal and all angles equal is called regular polygon. An equilateral triangle and a square are examples of regular polygons. Polygons which are not regular are called irregular polygons.

A rectangle and a rhombus are examples of irregular polygons. For non-convex quadrilateral, checkout Vedantu ex 3. It has covered the solution to our questions in the exercise. Applying this formula you can easily solve all the option in the question.

For your convenience, we have explained part a below. Still in doubt? The step-by-step solution along with the simple explanations make learning math a joyride. Regular polygon - You are already familiar with it. It is a polygon which is both equilateral Cbse Class 8 Maths Chapter 3 Exercise 3.1 and equiangular. Read the solutions from our experts. Use the same approach to solve b , c , and d. Find it hard?

Get a detailed explanation of exercise 3. Here we have to use three concepts, the angle sum property, exterior angle theorem and linear pair. Angle sum property -We have already discussed the angle sum property a couple of times above. Exterior angle theorem - The measure of an exterior angle is the sum of the adjacent angle and an interior angle opposite to it.

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