10th Class Mental Ability Constructions Construction of Squares & Triangles

In such type of problems, squares and equilateral triangles are constructed by joining its segments. There are three ways of asking questions from this chapter:

1.     To choose the only segment of a square.

2.     To choose three figures that are all the segments of a square.

3.     To choose three figures that are all the segments of an equilateral triangle.

EXAMPLE

1.         Select a figure from the given four options which fits into figure X to form a complete square.

(a)                  (b)

(c)                  (d)

Explanation (b):

We observe that after rotating the figure (b) through, it exactly fits into figure X to form a complete square as shown below:

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

(a) PRT                         (b) QRS

(c) PST                          (d) QRT

Explanation (d):