Question

Electricity used by farmers during different parts of a day for irrigation is as follows.
Draw a pie diagram to represent the given data:

Parts of a day	Morning	Afternoon	Evening	Night	Total
Units of electricity used (in $\%$)	$30$	$40$	$20$	$10$	$100$

Answer 1

Parts of day	Units of electricity used (in %)	Measure of central
Morning	$30$	$\frac{30}{100}\times {360}^o={108}^o$
Afternoon	$40$	$\frac{40}{100}\times {360}^o={144}^o$
Evening	$20$	$\frac{20}{100}\times {360}^o={72}^o$
Night	$10$	$\frac{10}{100}\times {360}^o={36}^o$
Total	$100$	${360}^o$