Ajgirl02 Ajgirl02 01-10-2016 Mathematics contestada Given: AL=SK Prove: AS=LK 1.AL=SK Given 2. LS=LS Reflexive property 3. AL+LS=SK+LS Substitution Property 4. AL+LS=AS Transitive property 5. SK+LS=LK ? 6 AS=LK ?