Question

Fill in the blanks using the correct word given in brackets :
(i) All circles are ......... (congruent, similar).
(ii) All squares are ........(similar, congruent).
(iii) All .......... triangles are similar (isosceles, equilateral):
(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

SOLUTION :

(i) All circles are SIMILAR (congruent, similar).

(ii) All squares are SIMILAR (similar, congruent).

(iii) All EQUILATERAL  triangles are similar (isosceles, equilateral):

(iv) Two triangles are similar, if their corresponding angles are EQUAL (proportional, equal)

(v) Two triangles are similar, if their corresponding sides are PROPORTIONAL (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 and PROPORTIONAL  .(equal, proportional).  

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Answer 2

I similar
ii similar
iii equilateral
Iv equal
v proportional
vi a.equal b.proportional