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, 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 their corresponding sides are (b)____________ (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) equal their corresponding angles are and their corresponding sides are (b) proportional.