Request a call back

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

CBSE Class 9 Answered

1.given figure ABCDis a trapizuim in which A=x+25, B=y, C=95, D=2x+5 find the value of x+y ABCD is a rombous. show that diagonal AC bisects angle A as well as angle C and diagonal BD bisects angle B as well as angle D 3. in a paralleogram ABCD the bisctor of angle A also bisets BC at angle P provethat AD=2AB 4.2 opposite angles of a paralleogram are (5x-20)and (70-4x)find the measurment of each of a paralleogram. 5.in a adjoining figure if ABCD is a quadrilateral in which AB is paralleogram to DC and AD=BC prove that angle c =angle D
Asked by | 16 Nov, 2013, 03:13: PM
answered-by-expert Expert Answer
Please ask one question at a time. Your first question is incomple (figure is missing).
Following is the solution to your second question:
 
               
 
Let us join AC
In ABC
BC = AB        (side of a rhombus are equal to each other) 
 1 = 2         (angles opposite to equal sides of a triangle are equal)

But 1 = 3         (alternate interior angles for parallel lines AB and CD) 
2 = 3 
So, AC bisects C. 
Also, 2 = 4    (alternate interior angles for || lines BC and DA) 
1 = 4 
So, AC bisects A 
Similarly, we can prove that BD bisects B and D as well.
Answered by | 18 Nov, 2013, 11:57: AM
CBSE 9 - Maths
Asked by chandininayak86 | 15 Dec, 2023, 07:36: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by sagrawal0081 | 31 Aug, 2023, 07:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by jahnavinehra | 03 Jul, 2022, 11:19: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by seemarana8535 | 11 May, 2022, 04:17: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by abhiroy1462 | 16 Apr, 2022, 02:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by abdullahzedane2008 | 28 Mar, 2022, 12:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by sanskritiraghudev | 19 Feb, 2022, 09:38: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by varundhawan | 31 Jan, 2022, 10:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by aziznoorani17 | 04 Jan, 2022, 11:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by vineetyadav77050 | 25 Jul, 2021, 05:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×