UPSC CDS 2 2018 Math Paper
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Question : 20 of 100
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The number of sides of two regular polygons are in the ratio 5 : 4.
The difference between their interior angles is 9°.
Consider the following statements :
1. One of them is a pentagon and the other is a rectangle.
2. One of them is a decagon and the other is an octagon.
3. The sum of their exterior angles is 720°.
Which of the above statements is/are correct ?
The difference between their interior angles is 9°.
Consider the following statements :
1. One of them is a pentagon and the other is a rectangle.
2. One of them is a decagon and the other is an octagon.
3. The sum of their exterior angles is 720°.
Which of the above statements is/are correct ?
[2018 CDS-II]
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