In fig. We provide the solutions as video solutions in which concepts are also explained along with answer which will help students while learningpreparing for exams and in doing homework. These Solutions will help to revise complete syllabus and score more marks in examinations.
We provide video solutions in which solutions to instagrram the questions of NCERT Class 10 Maths textbook are explained in step by step and detailed way.
It contains these exercises along with solved examples. All the exercises are solved in the video. Select the exercise to view the solutions exercisewise of the Chapter Triangles:. Exercise Solved examples. We have covered all the exercises and also Solved examples in the videos.
Along with the practise exercise Students should also practise solved examples to clear the concepts of the Triangles. If incase you have any doubt you can watch the solutions for the given questions.
Watch the solutions for the given questions in which it is also explained in the video steps to solve the questions along with answers. This chapter deals with the geometrical figure triangle and its properties. Here, all important topics like similar figures, similarity of Triangles, criteria for similarity of Triangles and areas of Triangles are discussed.
This helps students to get the perfect idea on how to draw the Triangles accurately so as to find the right result out of it. Doubtnut has made it possible for the students byjus class 10 maths triangles instagram gather all important details that lead them to clearing their queries.
During exams, students find it quite difficult to attempt certain questions in Maths. This is because of the inadequate knowledge that the students get from their NCERT textbooks due to lack of ample solved questions. It has been seen that these books fail to provide in-depth understanding of the different topics.
So, this leads to a lot of problem in getting the right idea on how to work on the different solutions which, in turn, leads to low marks in Maths. So, with the hope of achieving success in the exams, they resort to different reference books or guides. This helps them to get some good explanation on the different topics.
This has been possible from the best approach that has been taken to clear all the queries by the experts. With the best Class 10 Maths NCERT Solutions clasa by them, it becomes quite possible to get all the perfect idea on how to attempt the different questions in the best way. Students can look forward to the step by step jnstagram which byus been provided by them so that the students do not find any sort of problem in dealing with different questions.
So, students who wish to get higher marks in Maths should definitely look forward to the most useful study materials provided by Doubtnut. In your earlier classes, you have learned about triangles and many of its properties. In this chapter we will discuss about the figures which have the same shape but instagrzm of the same size. All circles with the same radii are known to be congruent where all equilateral triangles with the same side lengths are congruent.
It is to be noted that all congruent figures are similar but the similar figures need trinagles be congruent. If there are two byjus class 10 maths triangles instagram of the same size and that too of the same person one at byjus class 10 maths triangles instagram age of 20 years and the other at the age of 40years, what would you say about it? Do you think that these photographs are similar? When it comes to the size of the photographs, they are of the same size but they are not of the same shape.
It is to byjus class 10 maths triangles instagram noted that triangle is also a polygon. So, when it comes to the similarity of two triangles, we can state some conditions like:. Equiangular triangles are said when corresponding angles of byjks triangles are equal.
The ratio of any two corresponding sides in two equiangular triangles is always the. Now, through B, byjuss any line intersecting arm AY at C. Measure AE and EC. What about AE? Observe that AE is equal byjus class 10 maths triangles instagram 3. EC EC 2. DB EC. This is because of the Basic Proportionality Theorem. We have seen that two triangles are similar when their corresponding angles are equal and their corresponding sides are in the same ratio.
You may recall. Here also, we can make an attempt to arrive at certain criteria for similarity of two triangles involving relationship between less number of pairs of corresponding parts of the two triangles, instead of all the six pairs of corresponding parts. It has been learned that in two similar triangles, imstagram ratio of their corresponding sides is the. Do you have any idea as to whether there byjus class 10 maths triangles instagram any relationship between the ratio of their areas and the ratio of the corresponding sides?
It is known that area is measured in square units. So, it can be expected that this ration is the square of the ratio of their corresponding sides. Theorem: The ratio of the areas of Byjus Class 10 Maths Triangles Vol two similar triangles is equal to the square of the ratio of their corresponding sides. In order to traingles the areas of the two triangles, we need to draw altitudes AM and PN of the triangles. PN PQ. PQ PQ. From your earlier classes, you have learned Pythagoras Theorem.
By using the concept of similarity of triangles, we shall prove this theorem. Let us take a right triangle ABC, right angled at B. Let BD be the perpendicular to the hypotenuse AC. So from 1 and 2triangles on both sides of the perpendicular BD are similar to the whole triangle ABC. Thus this theorem can be also applied in proving the Pythagoras Theorem. This is because of the simplicity byjus class 10 maths triangles instagram languages that have been used by the experts in preparing the different topics.
Share this on Study Materials. Crash Course. Doubtnut Nov 05, Nov 05, Doubtnut. Filters :. Filter Apply. Similar Figures All circles with byjus class 10 maths triangles instagram same radii are known to be congruent where all equilateral triangles with the byjus class 10 maths triangles instagram side lengths are congruent. Similarity of Triangles It is to be noted that triangle is also a polygon. So, when it comes to the similarity of two triangles, we can state some conditions like: i byjus class 10 maths triangles instagram their corresponding angles are found to be equal and ii when their corresponding sides are found to be in trianglrs same ratio or proportion.
Criteria for Similarity of Triangles We have seen instagrsm two triangles are similar when their corresponding angles are equal and their corresponding sides are in the same ratio. You may recall that DE Clxss FD in Class IX, you have obtained some criteria for congruency of two triangles involving amths three pairs of corresponding parts or elements of the two triangles. Areas of Similar Triangles It has been learned that in two similar triangles, the ratio of their corresponding sides is the.
They can then try to access it from. So, this proves to be quite flexible where they do not have to fix any particular time for it. Therefore, with the right decision made by the students to get the accurate solutions from Doubtnut, it helps them to stay quite confident in exams. This is because they can find it quite easy to learn any topics in the best manner.
No need to pay any fees: Byjus class 10 maths triangles instagram online study material that the students get from Doubtnut are free of cost. So, there is no need to pay any fees for it that proves to be an added advantage to. Students also do not have to search elsewhere for their solutions as they can get it online from the right experts. Learn from experienced tutors: Learning the right technique from the best in class experts can really help a lot to solve even the most difficult questions.
So, it becomes possible to achieve success in the exams without any worry at all. Share this on :- Facebook Whatsapp Whatsapp. By using this site you agree to the use of cookies. Check our Cookie Policy for more details.
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