Class 10 Maths · Areas Related to Circles · NCERT Exercise 11.4 · Question 13
An archery target has three regions formed by three concentric circles as shown in Fig. 11.19. If the diameters of the concentric circles are in the ratio 1:2:3, then find the ratio of the areas of three regions.
Answer
The areas of the three regions are in the ratio .
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