The pie chart shows the distribution of 600 mat... - WAEC Mathematics 2013 Question
The pie chart shows the distribution of 600 mathematics textbooks for Arts, Business, Science and Technical Classes. How many textbooks are for the technical class?
A
100
B
150
C
200
D
250
correct option: d
Arts = 90o business = 75o, science = 45o
Technical 360o - (90o - 75o + 45o) = 360o - 210o
Technical = 150o
textbooks for technical class = \(\frac{150^o}{360^o}\) x 600
= 250
Technical 360o - (90o - 75o + 45o) = 360o - 210o
Technical = 150o
textbooks for technical class = \(\frac{150^o}{360^o}\) x 600
= 250
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