Q1 of 35 Page 73

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If all pairs of adjacent sides of a quadrilateral are congruent then it is called ....

As per the properties of a rhombus:- A rhombus is a parallelogram in which adjacent sides are equal(congruent).

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3

In figure 5.40, ΔABC is an equilateral triangle. Points F,D and E are midpoints of side AB, side BC, side AC respectively. Show that ΔEFD is an equilateral triangle.

 4

In figure 5.41, seg PD is a median of ΔPQR, Point T is the midpoint of seg PD. Produced QT intersects PR at M. Show that

[Hint : draw DN || QM.]


 1

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If the diagonal of a square is 12√2 cm then the perimeter of square is ......

 1

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If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is .......