Question:
Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand of toothpaste. The central angle of the sector of the pie
chart representing this information is
(a) 120o
(b) 150o
(c) 144o
(d) 40°
Solution:
(c) 144o
= (40/100) × 360o
= 0.4 × 360o
= 144o