The following pie chart shows the different coloured dresses worn by 60 students in a college party. Study the pie chart and answer the question that follows.
The degrees (central angle) for the blue coloured dress (sector which represents 40%) is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 144°.
The degrees (central angle) for the blue-colored dress = 40°
⇒ 100% = 360°
⇒ 1 % = 3.6°
⇒ 40% = 40 × 3.6° = 144°