Question

which shape is divided into thirds?

Explanation:

Step1: Check first shape

The red - colored circle is divided into 3 equal parts, which means it is divided into thirds.

Step2: Check second shape

The purple - colored rectangle is divided into 2 equal parts, not thirds.

Step3: Check third shape

The green - colored rectangle is divided into 5 equal parts, not thirds.

Answer:

The red - colored circle