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ICSE Class 9 Answered

how to find x, y
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Asked by sakshimksingh | 05 Jan, 2020, 05:58: PM
answered-by-expert Expert Answer
begin mathsize 16px style In space increment ABD space and space increment CDB comma CD thin space equals space AB straight m angle CDB space equals space straight m angle DBA space... left parenthesis alternate space angles right parenthesis BD space equals space BD rightwards double arrow triangle ABD space approximately equal to increment CDB space space space... space left parenthesis SAS space criteria right parenthesis straight m angle CBD space equals space straight m angle BDA space space left parenthesis corresponding space angles space of space cogruent space triangles right parenthesis rightwards double arrow straight x space equals space 50 degree BC space equals space AD space left parenthesis corresponding space sides space of space cogruent space triangles right parenthesis rightwards double arrow straight y space minus space 10 space equals space 3 straight y space minus space 20 rightwards double arrow 2 straight y space equals space 10 rightwards double arrow straight y space equals space 5 end style
Answered by Yasmeen Khan | 06 Jan, 2020, 11:31: AM

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ICSE 9 - Maths
which of the rational number of 3/5 and 5/7
Asked by nibedita.guddy7 | 13 Jul, 2021, 07:26: AM
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ICSE 9 - Maths
can u please help me solve this paper
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Asked by cvedant222 | 19 Sep, 2020, 05:20: PM
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ICSE 9 - Maths
how to find x, y
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Asked by sakshimksingh | 05 Jan, 2020, 05:58: PM
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ICSE 9 - Maths
Chapter: Congruency in Triangles  The perpendicular bisectors of the sides of a triangle ABC meet at I.  Prove that : IA = IB = IC
Asked by radhikasahani | 16 Jan, 2018, 10:56: PM
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ICSE 9 - Maths
A triangle ABC has angle B = angle C Prove that :  a). the perpendiculars from the mid-point of BC to AB and AC are equal  b). The perpendiculars from Band C to the opposite sides are equal 
Asked by radhikasahani | 16 Jan, 2018, 10:53: PM
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