9th Class Mental Ability Constructions Construction of Squares and Triangles

CONSTRUCTION OF SQUARES & TRIANGLES

In such type of problems, various, actual and fictitious parts of a square or a triangle are given. A student is required to form a square or a triangle in accordance the manner directed.

Trick:

To construct a square select a piece which contains a right angle between two adjacent outer edges.

Try to fit other pieces into its hollow spaces.

If no square is constructed select another such piece and proceed the same.

EXAMPLE

Select that combination of the parts P, Q, R, S and T which can form a square when they are fitted into each other.

(a) QRT                         (b) PST                         (c) QRS                                     (d) PRS

Explanation (c):