Class 10 | Similarity | Ex 15C Question 3 | selina | Find x, if angle B = angle E

 

ANSWER - 15

Class 10 | Similarity | O is the point of intersection of the diagonals AC and BD of a trapezium ABCD with AB || DC. Through O, a line segment PQ is drawn parallel to AB meeting AD at P and BC at Q, prove that PO = QO.

 

Class 10 similarity Math 101 Beautiful Question

 

Answer : 4.5 cm  

Class 10 triangle Similarity | Sides AB and AC and median AD of a triangle ABC are respectively proportional to sides PQ and PR and median PM of another triangle PQR. Show that triangle ABC similar to triangle PQR

 

Class 10 Trigle similarity | 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.

 

In a Triangle ABC, AB=AC and D is a point on side AC such that BC^2=ACxCD, prove that BD=BC

 

Class 10 Similarity MCQ FM 35

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Class 10 ICSE SELINA EX 15A question no 19

 In ∆ ABC, ∠ B = 90° and BD perpendicular to AC.

(i) If CD = 10 cm and BD = 8 cm; find AD.

(ii) If AC = 18 cm and AD = 6 cm; find BD.

(iii) If AC = 9 cm, AB = 7 cm; find AD.

MORE SIMILARITY QUESTION 

Class 10 ICSE MATHEMATICS Selina ex 15A question 2 similarity In a trapezium ABCD, side AB is parallel to side DC; and the diagonals AC and BD intersect each other at point P. Prove that: (i) ∆APB is similar to ∆CPD (ii) PA × PD = PB × PC

 In a trapezium ABCD, side AB is parallel to side DC; and the diagonals AC and BD intersect each other at point P. Prove that: (i) ∆APB is similar to ∆CPD (ii) PA × PD = PB × PC

For Similarity Question CLICK HERE

Through the mid-point M of the side CD of a parallelogram ABCD, the line BM is drawn intersecting diagonal AC in L and AD produced in E. Prove that : EL = 2 BL.

 

In triangle ABC, AD perpendicular to BC and AD2 =BD x CD.prove that triangle ABC is a right triangle

 

So, triangle ABC is a right angle triangle 

Class 10 ICSE SELINA similarity ex 15C question 6

 

Class 10 ICSE SELINA EX 15C similarity question 5 | ABC is a triangle. PQ is a line segment intersecting AB in P and AC in Q such that PQ || BC and divides triangle ABC into two parts equal in area. Find the value of ratio BP: AB.

 

ICSE SELINA MATH Similarity EX 15A question 24

 

Class 10 | If AD and PM are medians of triangles ABC and PQR, respectively where Triangle ABC ~ triangle PQR, Prove that AB/PQ=AD/PM

Class 10 Math ICSE SELINA SIMILARITY EX 15C question 8

Similarity class 10 Math Icse Selina Ex 15A question 23

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Converse of Thales theorem by Similarity

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First True Mathematician-- Thales

Converse of Thales theorem by Similarity ( BPT ) BASIC THALES THEOREM

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Similarity SAS theorem

Converse of Thales theorem ( BPT ) by Contradiction ( Actual Proof)

Similarity SSS theorem

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Converse of Thales theorem by Similarity

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Similarity Theorem 1