Question

which shape has exactly 4 lines of symmetry?

Explanation:

Step1: Analyze circle's symmetry

A circle has infinite lines of symmetry.

Step2: Analyze octagon's symmetry

A regular octagon has 8 lines of symmetry.

Step3: Analyze rectangle's symmetry

A rectangle has 2 lines of symmetry.

Step4: Analyze cross - like shape's symmetry

The cross - like shape has 4 lines of symmetry (two vertical, two horizontal).

Answer:

The cross - like shape