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NCERT Solutions for Class 10 Maths Chapter 6 Triangles

In NCERT solutions for class 10 maths chapter 6, students will access the 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 similarity 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 but the shape of all square is the. Since all the equilateral triangles class 10 maths ch triangles twitter a similar shape. They may have different sides but the shape of all equilateral 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. Q3 In Fig. Q4 Class 10 maths ch triangles twitter Fig.

Q5 In Fig. Show that EF QR. Q6 In Fig. Show that BC QR. Q7 Using Theorem 6. 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 class 10 maths ch triangles twitter 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 AAA. By SSS. Inwe know. Q2 In Fig. Given :. DOB is a straight line. Since class 10 maths ch triangles twitter,so.

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 Class 5 Maths Chapter 8 Question Answer Twitter 1 In Fig. Class 10 maths ch triangles twitter that:.

Both angles are right angle. Vertically opposite angles. By AA criterion. Q7 2 In Fig. Q7 3 In Fig. Q7 4 In Fig. Opposite angles of a parallelogram are equal. Alternate angles of AE BC. Q9 1 In Fig. Prove that:. Q9 In Fig. Prove. Ifshow that:. CD and GH are bisectors of equal angles. Q11 In Fig. If andprove. SSS class 10 maths ch triangles Class 10 Maths Ch Triangles Keyword twitter. 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 the tower. Angle of sun at same place. AA similarity. From equation 2. From equation 4. Q1 Let and their areas be, respectively, 64 and Alternate angles.

AAA similarity. Q4 If the areas of two similar triangles are equal, prove class 10 maths ch triangles twitter 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 area of the equilateral triangle described on one of its diagonals.

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

Calculate the length of the altitude of the rhombus. Converse of BPT If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the third side,. SAS Similarity Criterion. Chapter 6 - Triangles. Hypotenuse of a right triangle is 25 cm and out of the remaining two sides, one is longer than the other by 5 cm.

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