Identifying the Largest Island Among Options 

The question asks us to determine which of the given islands is the largest in terms of geographical area. The islands provided are Borneo, Madagascar, New Guinea, and Sumatra.

To answer this question, we need to know the approximate surface area of each of these islands. Let's look at their areas:

Comparing these approximate areas:

• Borneo: 748,168 sq km
• Madagascar: 587,041 sq km
• New Guinea: 785,753 sq km
• Sumatra: 473,481 sq km

By comparing these values, we can see that New Guinea has the largest area among the four islands listed.

Therefore, New Guinea is the largest island among the options provided.

Revision Table: Comparing Island Sizes

Additional Information on Large Islands

Knowing the sizes of these islands helps us understand their relative scale. It's also interesting to know how they rank among the world's largest islands overall.

• Greenland is the world's largest island (over 2,100,000 sq km).
• New Guinea is the second largest island in the world.
• Borneo is the third largest island in the world.
• Madagascar is the fourth largest island in the world.
• Baffin Island (Canada) is the fifth largest (over 500,000 sq km).
• Sumatra is the sixth largest island in the world.

This puts the islands from the question among the top 6 largest islands globally, highlighting their significant size.