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CBSE Class 9 Answered

show that in a right angled triangle, the hypotenuse is the longest side.
 
Asked by mahendra_soniya | 17 Aug, 2015, 06:15: PM
answered-by-expert Expert Answer
C o n s i d e r space a space r i g h t space t r i a n g l e space A B C.
I n space a space r i g h t space t r i a n g l e comma space o n e space o f space t h e space a n g l e space i s space 90 degree. A n d space t h e space o t h e r space t w o space a n g l e s space a r e space a c u t e space a n g l e s space c o m p l e m e n t a r y space t o space e a c h space o t h e r. S o comma space o t h e r space t w o space a n g l e s space a r e space l e s s space t h a n space 90 degree. H e n c e space t h e space l a r g e s t space a n g l e space i n space a space r i g h t space t r i a n g l e space i s space 90 degree. W e space k n o w space t h a t space t h e space s i d e space o p p o s i t e space t o space t h e space l a r g e s t space a n g l e space i s space t h e space l o n g e s t space s i d e. I n space t h e space f i g u r e comma space a n g l e space B space i s space t h e space r i g h t space t r i a n g l e. A n d space t h e space s i d e space o p p o s i t e space t o space angle B comma space A C space i s space t h e space l o n g e s t space s i d e. T h a t space i s comma space h y p o t e n u s e space i s space t h e space l o n g e s t space s i d e.
Answered by Vimala Ramamurthy | 18 Aug, 2015, 09:01: AM

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CBSE 9 - Maths
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CBSE 9 - Maths
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Asked by harshitpal2115 | 30 Dec, 2023, 02:32: PM
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CBSE 9 - Maths
be and CF are two traiangle equal altitude of triangle abc using rhs congruence rule prove that the triangle abc is isosceles
Asked by arahant2008 | 07 Oct, 2021, 09:38: PM
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CBSE 9 - Maths
in an isosceles triangle ABC with AB=AC, the bisectors of angleB and angle C intersect each other at o. Join A at O. show that Ob= OC that
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Asked by sharan192006 | 10 Sep, 2020, 03:27: PM
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CBSE 9 - Maths
How to proove RHS congruence 
Asked by Nimmi | 26 Jan, 2019, 05:10: PM
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CBSE 9 - Maths
In the given figure, BAAC and DEEF such that BA = DE and BF = DC. Prove that AC = EF.
Asked by Topperlearning User | 10 Aug, 2017, 12:35: PM
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CBSE 9 - Maths
ABC is an isosceles triangle with AB = AC. Bisectors of B and C intersect at O. Prove that BO = CO and AO bisects BAC.
Asked by Topperlearning User | 10 Aug, 2017, 12:46: PM
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CBSE 9 - Maths
ABCD is a square, X and Y are the points on the sides AB and DC respectively such that BY = CX. Prove that CY = BX and CBY = BCX.
Asked by Topperlearning User | 10 Aug, 2017, 12:44: PM
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CBSE 9 - Maths
In an isosceles triangle, prove that the altitude from the vertex divides the triangle into two congruent triangles..
Asked by Topperlearning User | 10 Aug, 2017, 12:46: PM
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CBSE 9 - Maths
AD is the median of ABC. If BL and CM are drawn perpendiculars on AD produced, prove that BL= CM.
Asked by Topperlearning User | 10 Aug, 2017, 12:36: PM
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