CBSE Class 10 Answered
if the diagonal BD of a quadrilateral ABCD bisect both angle b and d show that AB upon BC equals too AD upon CDA
Asked by kishan chaudhary | 06 Aug, 2012, 04:51: PM
Expert Answer
given: diagonal BD bisects angle B and angle D
To prove: AB/BC= AD/CD
proof: in triangle ABD and triangle CBD
angle ABD= angle CBD (BD bisects angle B)
angle ADB= angle CDB (BD bisects angle D)
So, triangles ABD and CBD are similar, by AA similarity
Since, corresponding sides of similar traingles are proportional, we have:
AB/BC = AD/CD
Answered by | 06 Aug, 2012, 05:07: PM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by suryapalsinghgoudmahirajbanna | 17 Sep, 2023, 10:50: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by bnarayanamstr | 03 May, 2023, 10:03: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by savitamahajan202 | 30 Dec, 2022, 12:51: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by bhu.joshi54 | 04 Jul, 2022, 08:18: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by bhu.joshi54 | 16 Jun, 2022, 07:56: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by dishapalnati82 | 24 Nov, 2021, 09:30: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by psinghaladv | 05 Oct, 2021, 07:49: PM
ANSWERED BY EXPERT