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Verified answer
1)a.KLMN,OPQR,KLQR,MNOP,LMPQ,KNORb. KL,LM,MN,NK,OP,PQ,QR,RO,KR,LQ,MP,NO
c.K,L,M,N,O,P,Q,R
2)a.OPQR
b. KNOR
c. MNOP
3).a.MN,QR
b. LM, OR
c. LQ, NO
4).a.KLQR
b. MNOP
c. KLMN
d. OPQR
e. LMPQ
f. KNOR
5).a.9x9=81 cm²
b. 10x10=100dm=10cm²