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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
answered-by-expert Expert Answer
In triangles BCF and CBE,
angle BFC equals angle CEB space space space... space left parenthesis Each space 90 to the power of straight o right parenthesis BC space equals space BC space space... space left parenthesis Common space side right parenthesis FC space equals space EB space space... space left parenthesis Given right parenthesis rightwards double arrow triangle BCF approximately equal to triangle CBE space space space... space left parenthesis By space RHS space congruence space rule right parenthesis rightwards double arrow angle FBC equals angle ECB space space... space left parenthesis CPCT right parenthesis In space triangle ABC comma angle ABC equals angle ACB rightwards double arrow AB equals AC space space space... space left parenthesis Sides space opposite space to space equal space angles space are space equal right parenthesis Hence comma space triangle ABC space is space an space isosceles space triangle.
Answered by Renu Varma | 23 Oct, 2021, 07:27: 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
ANSWERED BY EXPERT ANSWERED BY EXPERT
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
ANSWERED BY EXPERT ANSWERED BY EXPERT
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
ANSWERED BY EXPERT ANSWERED BY EXPERT
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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CBSE 9 - Maths
If two isosceles triangles have a common base, then the line joining their vertices bisects the base at right angles.
Asked by Topperlearning User | 10 Aug, 2017, 12:44: PM
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CBSE 9 - Maths
A point O is taken inside an equilateral four sided figure ABCD such that its distances from the angular points D and B are equal. Show that AO and OC are in one and the same straight line.
Asked by Topperlearning User | 10 Aug, 2017, 12:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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