Two circles of radii 5.5 cm and 4.2 cm touch each other externally then distance between their centres is ....................

Q.1 (A)(2) Two circles of radii 5.5 cm and 4.2 cm touch each other externally then distance between their centres is ....................

A. 9.7 cm

B. 1.3 cm

C. 5.5 cm

D. 4.2 cm

Doubtly Asked 25 Oct 2026 ssc 10th Save WhatsApp Report

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Answer: A. 9.7 cm

Answer: (A) 9.7 cm

When two circles touch externally, the distance between their centres equals the sum of the radii: \(5.5 + 4.2 = 9.7\) cm. (The difference 1.3 cm is the distance for internal touching.)

Doubtly AI · 25 Oct 2026 AI-verified · Oct 2026 Report

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Two circles of radii 5.5 cm and 4.2 cm touch each other externally then distance between their centres is ....................

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