A pie chart shows the expenses of a family of Rs. 2,000 per month. Rent takes 12% of the budget. What is the central angle of the rent sector and the amount spent on rent?
Answer and explanation
Correct answer: C. 43.2 degrees and Rs. 240
- Step 1: The full circle is 360°, so 12% is 12 × 3.6 = 43.2°. Step 2. Amount = 12% of 2,000 = Rs. 240. Answer: 43.2 degrees and Rs. 240. Why not the others: 12 degrees and Rs. 240 is what you get if you use the percentage as the angle. 43.2 degrees and Rs. 2,400 is what you get if you misplace a power of ten in the amount. 21.6 degrees and Rs. 240 is what you get if you use 180 instead of 360 degrees.
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