Question 63
The given Pie Chart (central angles are not as per any chosen scale) presents the percentage of the number of refrigerators of five different companies (with reference to the total number of refrigerators) in a hotel.
What is the difference between the central angles (to the nearest 0.1 degree) subtended by the sectors for C2 and C4?
Solution
As we know that $$100\%\ =\ 360^{\circ\ }$$.
$$1\%\ =\ 3.6^{\circ\ }$$
Difference between the percentage of the sectors for C2 and C4 = (19-13)% = 6%
6% = $$6\times3.6^{\circ\ }$$
difference between the central angles (to the nearest 0.1 degree) subtended by the sectors for C2 and C4 = $$21.6^{\circ\ }$$
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