Question

Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.

Colours	Number of people
Blue	$18$
Green	$9$
Red	$6$
Yellow	$3$
Total	$36$

Answer 1

$Colours$	$No.ofpeople$	$Centralangle$
$Blue$	$18$	$\frac{18}{36}\times {360}^o={180}^o$
$Green$	$9$	$\frac{9}{36}\times {360}^o={90}^o$
$Red$	$6$	$\frac{6}{36}\times {360}^o={60}^o$
$Yellow$	$3$	$\frac{3}{36}\times {360}^o={30}^o$