CPO 22: Date: 11/11/2022, Shift 1


Question 1


Two circles touch each other externally. The radius of the first circle with centre A is 18cm. The radius of the second circle with centre B is 8cm.Find the length of their common tangent CD.

दो वृत्त एक दूसरे को बाह्य रूप से स्पर्श करते हैं। केंद्र A वाले पहले वृत्त की त्रिज्या 18 cm है। केंद्र B वाले दूसरे वृत्त की त्रिज्या 8 cm है। उनकी उभयनिष्ठ स्पर्शरेखा CD की लंबाई ज्ञात कीजिए।

Options

A

23 cm 

23 cm 

B

25 cm

25 cm

C

24 cm 

24 cm 

D

26 cm 

26 cm 


Solution:

Correct Answer:

C

24 cm 

24 cm 


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