Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

In triangle ABC angle B=45, angle=55 & AD bisects angle A, find angle ADB &angle ADC
Asked by sarubhatia6 | 05 Jul, 2014, 08:52: PM
answered-by-expert Expert Answer

angle B equals space 45 space angle C equals 55 angle A plus angle B plus angle C equals 180 angle A equals 180 minus left parenthesis 45 plus 55 right parenthesis equals 180 space minus 100 equals 80 L e t space angle B A D equals x space t h e n space angle A equals 2 x x equals 80 divided by 2 equals 40 angle A D B plus angle D A B space plus angle B equals 180 angle A D B equals 180 minus left parenthesis 45 plus 40 right parenthesis equals 180 minus 85 equals 95 angle A D C equals space 180 minus left parenthesis 55 plus 40 right parenthesis equals 180 minus 95 equals 85

Answered by Sanjana Dhopatkar | 07 Jul, 2014, 09:11: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 9 - Maths
find value
question image
Asked by pushpadevipushpadevi19 | 13 Jan, 2023, 08:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
plz answer urgently dear experts lines and angles question :
question image
Asked by savitamahajan202 | 02 Jan, 2023, 10:55: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If two lines are parallel then prove that any pair of bisictors of thier alternate interior angle is also parallel.
question image
Asked by amarjitruksh | 20 Jun, 2022, 10:40: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Q 19 
question image
Asked by shubhgoel7a | 20 Sep, 2019, 09:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
kindly give solution to the question in the image.
question image
Asked by bhvyajot | 17 Oct, 2018, 11:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
the diagram for the 8th question.
question image
Asked by seeni2005 | 30 Jul, 2018, 07:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
FIND X AN D Y
question image
Asked by yogeshc2 | 01 Jun, 2018, 04:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If a transversal intersects two parallel lines, then prove that each pair of consecutive interior angles are supplementary.
Asked by Topperlearning User | 04 Dec, 2013, 10:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Show that in the given figure, AB || EF.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If two lines are intersected by a transversal in such a way that the bisector of a pair of angles are parallel, show that the two lines are parallel.
Asked by Topperlearning User | 04 Dec, 2013, 10:27: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×