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CBSE Class 7 Answered

If PQRS IS A QUADRILATERAL THEN SHOW THAT PQ +QR + RS +PS >PR + QS
Asked by Mukesh7529 | 15 Feb, 2018, 05:58: PM
answered-by-expert Expert Answer
begin mathsize 16px style In space increment POS comma space PO plus OS greater than PS In space increment space SOR comma space SO plus OR greater than SR In space increment ROQ comma space RO plus OR greater than RQ In space increment QOP comma space QO plus OP greater than QP PS plus PQ greater than QS............ left parenthesis straight i right parenthesis RS plus QR greater than QS........... left parenthesis ii right parenthesis Adding space left parenthesis straight i right parenthesis space and space left parenthesis ii right parenthesis PS plus PQ plus RS plus QR greater than 2 QS........ left parenthesis iii right parenthesis PS plus RS greater than PR PQ plus QR greater than PR PS plus RS plus PQ plus QR greater than 2 PR........ left parenthesis iv right parenthesis Adding space left parenthesis iii right parenthesis space and space left parenthesis iv right parenthesis 2 open parentheses PS plus PQ plus RS plus QR close parentheses greater than 2 left parenthesis QS plus PR right parenthesis PS plus PQ plus RS plus QR greater than QS plus PR end style
Answered by Sneha shidid | 16 Feb, 2018, 11:22: AM

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