Question

1. Write down some examples of congruent.fi
O congruent figures in our day today life?
2.What are the necessary conditions if
i) Two rectangles are congruent
ii) Two parallelograms are congruent
3.All concentric circles are congruent or not ? explain​

Answer 1

Answer:

1)two wings of a same fan.

2)for rectangle :corresponding sides and length of diagonals are equal

for parallelogram: corresponding sides and angles are equal

3)no.because they may have different radii and if they are different the concentric circles may not be congruent always