Question

Which of the following plane figures will remain congruent in its enlarged photocopy?

1. Line segment
   
2. Angle
   
3. Triangle
   
4. Square
   
5. Circle
   

Answer 1

R.E.F image

A) When a line segment is enlarged, the

length of the line segment differs.

so, if does not remain congruent

B) When an angle is enlarged, if remains the same.

so, it remains congruent.

C,D) When a triangle or a square is enlarged

its sides lengths change which make it

in congruent.

E) When a circle is enlarged its center

remains same but the radius changes

making it in congruent.