Quiz yourself

Question

What's the area of the phone? <img src="https://images.houseofmath.com/eyJidWNrZXQiOiJob20tZnJvbnRlbmQtYXNzZXRzIiwia2V5IjoiTWF0aCBWYXVsdC9QaWN0dXJlcy9OdW1iZXJzIGFuZCBRdWFudGl0aWVzL01lYXN1cmluZy9UYWxsb2dNw6VsaW5nQXJlYWxNZXRyaXNrZmFuZTNucjAxYS5zdmciLCJlZGl0cyI6eyJyZXNpemUiOnsid2lkdGgiOjEyMDAsImhlaWdodCI6NjMwLCJmaXQiOiJjb3ZlciJ9LCJ0b0Zvcm1hdCI6InBuZyJ9fQ==" alt="Smartphone that is 9 cm x 5 cm" />

Accepted Answer

45 cm2

Answer

9.5 cm2

Answer

14 cm2

Answer

28 cm2