1.

Fill in the blanks, in each of the following, so as to make the statement true:(i) A rhombus is a parallelogram in which _______.(ii) A square is a rhombus in which _________.(iii) A rhombus has all its sides of ______ length.(iv) The diagonals of a rhombus _____ each other at ______ angles.(v) If the diagonals of a parallelogram bisect each other at right angles, then it is a ______.

Answer»

(i) A rhombus is a parallelogram in which adjacent sides are equal.

(ii) A square is a rhombus in which one angle is right angle.

(iii) A rhombus has all its sides of equal length.

(iv) The diagonals of a rhombus bisect each other at right angles.

(v) If the diagonals of a parallelogram bisect each other at right angles, then it is a rhombus.



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