UPSC CDS 2 2021 Math Paper

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Directions (Q.Nos. 51-53) Consider the following for the next three questions that follow.
ABC is a triangle with sides AB=6cm, BC=10cm and CA=8cm. With vertices A,B and C as centres, three circles are drawn each touching the other two externally.

Question : 53 of 100

Marks: +1, -0

If P,Q and R are the areas of sectors at A,B and C within the triangle respectively, then which of the following is/are correct
1. P=πcm2
2. 9Q+4R=36πcm2
Select the correct answer using the code given below:

1 only
2 only
Both 1 and 2
Neither 1 nor 2

Validate

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