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What is the radius of the circle whose a...

What is the radius of the circle whose area is equal to the sum of the areas of two circles whose radii are 15 cm and 8 cm?
उस वृत्त की त्रिज्या कितनी है, जिसका क्षेत्रफल दो वृत्तों के क्षेत्रफलों के योग के बराबर है, जिनकी त्रिज्याएँ 15 सेमी तथा 8 सेमी हैं?

A

14 cm

B

15 cm

C

13 cm

D

17 cm

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