Скачать или смотреть Class 9 Maths NCERT Chap 8 | Quadrilaterals #09 | Example 7 | Exercise 8.2 Q1 & Q2 Class 9 NCERT

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Book- NCERT + NCERT Exemplar
Class 9 Maths NCERT
Chapter Name - Quadrilaterals
NCERT Exercise and Examples
Topic :- Class 9 Maths NCERT Chap 8 | Quadrilaterals #09 | Example 7 | Exercise 8.2 Q1 & Q2 Class 9 NCERT
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Example 7 : l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see Fig. 8.19). Show that l, m and n cut off equal intercepts DE and EF on q also.
EXERCISE 8.2
1. ABCD is a quadrilateral in which P, Q, R and S are mid-points of the sides AB, BC, CD and DA (see Fig 8.20). AC is a diagonal. Show that :
(i) SR || AC and SR = 1/2 AC (ii) PQ = SR (iii) PQRS is a parallelogram.
2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle.
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