Two circles touch each other externally. The sum of their areas is `490pi cm^2`. Their centres
1,697 views · Published 13 October 2018 · 3:26 · Indexed 5 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Two circles touch each other externally. The sum of their areas is `490pi cm^2`. Their centres are separated by `28 cm`. Find the difference of their radii (in cm)
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