Question

(i) All circles are .......... (congruent, similar).
(ii) All squares are .......... (similar, congruent).
(iii) All .......... triangles are similar (isosceles, equilaterals):
(iv) Two triangles are similar, if their corresponding angles are .......... (proportional, equal)
(v) Two triangles are similar, if their corresponding sides are .......... (proportional, equal)
(vi) Two polygons of the same number of sides are similar, if (a) their corresponding angles are and (b) their corresponding sides are .......... (equal, proportional).

Answer 1

(i) All circles are similar
(ii) All squares are similar
(iii)All equilateral triangles are similar
(iv) Two triangles are similar, if their corresponding angles are equal
(v) Two triangles are similar, if their corresponding sides are proportional
(vi) Two polygons of the same number of sides are similar, if (a) their corresponding angles are equal and (b) their corresponding sides are proportional.