CGL 23 26-07-2023 Shift 1


Question 1


There are two circles that touch each other externally. Radius of the first circle with centre O is 12 cm. Radius of the second circle with centre A is 8 cm. Find the length of their common tangent BC.

दो वृत्त हैं जो एक दूसरे को बाह्य रूप से स्पर्श करते हैं। केंद्र O वाले पहले वृत्त की त्रिज्या 12 cm है। केंद्र A वाले दूसरे वृत्त की त्रिज्या 8 cm है। उनकी उभयनिष्ठ स्पर्शरेखा BC की लंबाई ज्ञात कीजिए।

Options

A

B

C

D


Solution:

Correct Answer:

B


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