What angle represents grown up girls ? Correct to one decimal place

  • A 37.5o
  • B 26.7o
  • C 25.7o
  • D 20o
  • E 3.75o
waec 1989mathematics

The correct answer is B. 26.7o

Total population = 1400 + 550 + 200 + 150 + 400 = 2700

grown up girls = 200

= \(\frac {200}{2700}\) x \(\frac {360}{1}\)

=80/3 = 26.7°

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