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Q17 of 40 Page 1

The areas of two circles are in the ratio 9:4, then what is the ratio of their circumferences?

Given,


Now,



∴ ratio of their circumference is 3:2


More from this chapter

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15

The perimeters of two similar triangles are 25 cm and 15 cm respectively. If one side of the first triangle is 9 cm, then the corresponding side of second triangle is __________.

16

If 5 tanθ = 3, then what is the value of ?

18

If a pair of dice is thrown once, then what is the probability of getting a sum of 8?

19

In Fig. 3, Δ ABC, DE || BC such that AD = 2.4 cm, AB = 3.2 cm and AC = 8 cm, then what is the length of AE?


Questions · 40
Set-I
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