IKMC 2024 - Grades 7-8 - Set 2 - Self-study Question 11

Question 11

Carina has baked a cake and cut it into 10 equal pieces. She ate one piece of cake and rearranged the remaining pieces evenly (see diagram). How big is the angle between two neighbouring pieces? Question illustration

$5^\circ$
$4^\circ$
$3^\circ$
$2^\circ$
$1^\circ$