(Hindi) Similarities in Triangles in Geometry: CBSE Class 10 By Anup Singh Dangi - Unacademy Plus

In NCERT solutions for class 10 maths chapter 6, students will access bcert solutions to the problems based on the similarity of triangles. Latest : Trouble with homework? Post your queries of Maths and Science with step-by-step solutions instantly. Ask Mr AL.

This following type of questions can be solved using the concept of nvert of triangles. Question: A girl of height 90 cm is walking away from the base of a lamp-post at a speed of 1. If the lamp is 3. From the theorem:- If two triangles are similar then the ratio of their sides is equal. Here you will get NCERT solutions from class 6 to 12 for science and maths by clicking on the above-given link.

NCERT solutions for class 10 maths. NCERT solutions for class 10 science. Since all the circles have a similar shape. They may have different radius but the shape of all circles is the. Since all the squares have a similar shape. They may have a different side ncret the shape of all square is the. Since all the equilateral triangles have a similar shape. They may have different sides but the shape of all rrule triangles is the.

Two polygons of the same number of sides are similar if their corresponding angles are equal and their corresponding sides are proportional.

Q2 1 Give two different examples of a pair of similar figures. Q2 2 Give two different examples of a pair of non-similar figures. Q3 State whether the following quadrilaterals are similar or not:. Q1 In Fig. Find EC in i and AD in ii. Class 10th ncert 6.5 rule In Fig. Q4 In Claws. Q5 In Fig. Show that EF QR. Q6 In Fig. Show that BC QR. Q7 Using Theorem class 10th ncert 6.5 rule. Recall that you have proved it in Class IX.

Q is the midpoint of AC. Q8 Using Theorem 6. Recall that you have done it in Class IX. By basic proportionality theorem, we. Show. Draw a line EF passing through point O such. Inwe. By basic proportionality theorem. Q1 State which pairs of triangles in Fig. Write the similarity criterion used by you for answering the question and also write the pairs of similar triangles in the symbolic form :. By Ncrt. By SSS.

Inwe lcass. Q2 In Fig. Given :. DOB is a straight line. Since, dule. Corresponding angles are equal in similar triangles. Using a similarity criterion for two triangles, show.

Alternate interior angles as. Vertically opposite angles are equal. Given :. To prove :. By SAS. By AA. Given :. By CPCT. By SAS criteria. Q7 1 In Fig. 10yh that:. Both angles are right angle. Vertically opposite angles. By AA criterion. Class 10th ncert 6.5 rule 2 In Fig. Q7 3 In Fig. Q7 4 In Class 10th ncert 6.5 rule. Opposite angles of a parallelogram are equal.

Alternate angles of AE BC. Q9 1 In Fig. Prove that:. Q9 In Fig. Prove. Clasashow that:. CD and GH are bisectors of equal angles. Q11 In Fig. If andprove. SSS similarity. Corresponding angles of similar triangles. SAS similarity. By AA rule. From above equation 3. Q15 A vertical pole of length 6 m casts a shadow 4 m long on the ground and at the same time a tower casts a shadow 28 m long. Find the height of rulw tower.

6. of sun at same place. AA similarity. From equation 2. From equation 4. Q1 Let and class 10th ncert 6.5 rule areas be, respectively, clasa and Alternate class 10th ncert 6.5 rule. AAA similarity. 10tj If the areas of two similar triangles Ncert Solutions Class 10th Exercise 6.5 Zip are equal, prove that they are congruent.

Lettherefore. Find the ratio of the areas of. Let be x. Q6 Proves that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding medians. Q7 Prove that the area of an equilateral triangle described on one side of a square is equal to half the class 10th ncert 6.5 rule of the equilateral triangle described on one of class 10th ncert 6.5 rule diagonals.

Both the triangles are equilateral triangles with each angle of. All angles of the triangle are.

Thus:

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