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CBSE Class 9 Answered

IN NCERT BOOK OF MATHS,
PG NO.-163 
QUE.6 
IT IS REQUIRED TO PROVE THE AREA OF TRIANGLES EQUAL SO COULDN'T WE DO IT SIMPLY MAKING BOTH TRIANGLES CONGRUENT BY(S.S.S RULE).WHY IS THERE A NEED TO DO IT BY AAS AND DRAWING ALTITUDE?
Asked by Harshita Singh | 10 Mar, 2016, 09:06: PM
answered-by-expert Expert Answer
begin mathsize 12px style We space can space not space use space SSS space rule space for space the space given space triangles space because we space only space know space about space two space pairs space of space sides space which space are space equal. We space do space not space know space anything space about space the space third space pair. space For space triangle space DOC space and space AOB comma space we space know DO equals BO space and space DC equals AB But space we space do space not space know space anything space about space OC space and space OA. Hence comma space we space can space not space use space SSS space rule space to space begin space with. Hope space that space clears space your space doubt. end style
Answered by satyajit samal | 11 Mar, 2016, 05:26: PM

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CBSE 9 - Maths
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