CBSE Class 10 Answered
AB and CD are two common tangents to circles which touch each other at C. If D lies on AB such that CD is equal to 4 cm. Then AB=?
Asked by aakashpachisia1488 | 03 Mar, 2011, 11:33: PM
Expert Answer
Dear Student,
Here is the solution:
as in the above fig. CD=4cm
also CD=AD=4cm ............(1) (tangents drawn from an exterior point are equal)
CD=BD=4cm ...........(2) (tangents drawn from an exterior point are equal)
as AB=AD+BD(from fig.)
AB=4+4 {from (1) and (2)}
=> AB=8cm
Regards
Team Topperlearning
Answered by | 03 Mar, 2011, 06:30: PM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by yalagondanikhil | 16 Apr, 2024, 12:25: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by jennyy | 26 Mar, 2022, 08:41: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by sowmyashreeiyer | 31 Jan, 2022, 11:40: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by riazu945 | 16 Jan, 2022, 01:00: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by ajabraosable27 | 11 Oct, 2021, 09:28: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by amikasangma080 | 11 Oct, 2021, 06:14: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by muskanmahek2411 | 08 Oct, 2021, 10:48: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by anishasheoran372 | 13 Jul, 2021, 09:33: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by bhilarevishwesh | 21 May, 2021, 08:27: AM
ANSWERED BY EXPERT