WAEC - Mathematics (1989 - No. 23)

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

37.5^o

26.7^o

25.7^o

20^o

3.75^o

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

grown up girls = 200

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

=80/3 = 26.7°