Question

Question 21

The following pie chart represents the distribution of proteins in parts of human body.

What is the central angle of the sector (in the above pie chart) representing skin and bones together?

(a) 36°

(b) 60°

(c) 90°

(d) 96°

Answer 1

The portion representing skin and bones together $=\frac{1}{10}+\frac{1}{6}$
$=\frac{3+5}{30}=\frac{8}{30}$
Central angle of the sector representing skin and bones together
$=\frac{8}{30}\times {360}^{\circ }={96}^{\circ }$