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CBSE Class 9 Answered

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Asked by bathinisampath | 05 Apr, 2022, 10:52: AM
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Question: In triangle ABC, altitudes BD and CE are equal then triangle DCB congruent to triangle EBC by ______ congruence.
Solution:
In space triangle ABD space and space increment ACE comma BD equals CE space space... space left parenthesis Given right parenthesis angle straight A equals angle straight A space space... space left parenthesis Common space angle right parenthesis angle ADB equals angle AEC space space... space left parenthesis Each space 90 to the power of straight o right parenthesis Therefore comma space triangle ABD almost equal to triangle ACE
Answered by Renu Varma | 11 Apr, 2022, 11:54: AM

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CBSE 9 - Maths
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Asked by narendrapatidar39877 | 09 Mar, 2024, 11:01: AM
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CBSE 9 - Maths
if ABCD is a llgm and X and Y are points on the diagonal BD such that DX=BY. Prove that a) AXCY is a llgm
Asked by borakartike2 | 29 Dec, 2023, 09:21: PM
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CBSE 9 - Maths
ABCD is quadrilateral in which P Q R S are mid points of the sides AB BC CD DA. AC is diagonal. show that SR is parallel to AC and SR= 1half 2 AC
Asked by aksharapatni | 30 Nov, 2023, 01:12: PM
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CBSE 9 - Maths
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Asked by bathinisampath | 05 Apr, 2022, 10:52: AM
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CBSE 9 - Maths
SAS congruence axiom is
Asked by bathinisampath | 05 Apr, 2022, 10:50: AM
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CBSE 9 - Maths
sir is two triangles is congurance by two properties
Asked by abdulsamad82007 | 15 Jun, 2021, 12:59: PM
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CBSE 9 - Maths
Q2. In ABC, AB = AC. X and Y are points on AB and AC such that AX = AY. Prove that ABY  ACX 
Asked by rjaat7623 | 28 Feb, 2021, 10:57: AM
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CBSE 9 - Maths
Q-a diagonal divides a parallelogram into 2 congruent triangles.prove Doubt-in ncert it is done by only ASA .Can we do it by any other method like SAS OR SSS?And if not why?
Asked by Yuvrajkumar92005 | 15 Oct, 2019, 08:24: PM
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CBSE 9 - Maths
What was and ASA congurrence rule
Asked by Narendravignesh | 09 Oct, 2019, 06:02: PM
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CBSE 9 - Maths
11. In ∆𝐴𝐵𝐶, CP and BQ are equal altitudes to sides AB and AC respectively. Show that ∆𝐴𝐵𝑄 ≅ ∆𝐴𝐶P
Asked by arajeevshashank | 25 Sep, 2019, 12:26: PM
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