Q1 of 35 Page 73

Choose the correct alternative answer and fill in the blanks.

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

Here d= 12√2 = √2 s where s is side of square

Given diagonal = 20 cm


⇒ s =


Therefore, perimeter of the square is 4s = 4 x 12


= 48cm. (C)

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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

Choose the correct alternative answer and fill in the blanks.

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

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Choose the correct alternative answer and fill in the blanks.

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

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