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3-2 Triangle Congruence by SSS & SAS Postulate 14-Side-Side-Side (SSS) Postulate Postulate-If the three sides of one triangle are congruent to the three. Sides of another triangle, then the two triangles are congruent. If... AB DE BCEF, AC DF A Then...A ABCEADEF Problem 1-Using SSS Given: LMNP LP Nin Prove: ALMNNPL S DIMNP (3) Given-Pair of sides OTP NM (S@Given-Pair of sides INNLCS Reflexive Property DOLMN AMPLISSS Got It? Given: BCBF CD FD Prove: ABCDEA BFD F D B ||| M U a BDBD (s) reflexive (D=FD(S) given BCBF (S) alven E 卅 ABCD SABED Practice! Given: IEGH, EFHF, F is the midpoint of GI Prove: AEFTAHFGE TE GH (S) given EFHF (S) given Fis the midpoint of GI given H Then... AABADEF H no FIMFG (s) def. of a midpoint 'H AEFT OHFG SSS post. Postulate 15-Side-Angle-Side (SAS) Postulate Postulate-If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent. If... ABDE, LASD, AC OF Using SAS What other information do you need to prove ADEF=AFGD by SAS? Explain. E need these angles. You need an angle that is between the two sides we know that is 4. Need to Know 4EFD46DF Know EF GD-given DF=FD-reflexive Got It? - What other information do you need to prove ALEBE ABNL by SAS? L E know ZELBENBL "B LB BL-reflexive N 3. + L - What other information, if any, do you need to prove the two triangles congruent loy SAS? Explain. # know GLT NMA TEMQ Need to Know TGYMN N Q 4. know TRSW RTV TSVU Identifying Congruent Triangles. -would S Need to know NB EL 4 سجد Need to Know RS WIL or LTU you use SSS or SAS to prove the triangles congruent? If...
iOS User
Stefan S, iOS User
SuSSan, iOS User
there is A not enough information to prove the triangles congrant by SSS or SAS, write not enough information Explain your answer B. Ves SAS D Yes, SSS or SAS Got It! - Woul you use Not enough info, the second triangle is a non-included angle. 5. P SSS or SAS to prove the triangles below congruent? Explain. A -SS3 because the second triangle is a non-included angle, not that same. angle as first. C. Would you use SSS or SAS to prove the triangles congruent? If there is not enough information to prove the triangles congruent by SSS or SAS, write not enough information. Explain your answer. 6. pet NET, do not have an included angle. JES Yes, SSS B D с SAS because you have a side angle & can prove AC² CA by reflexive property.
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Notes about triangle congruence using theorems SSS and SAS
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What SSS, and SAS? How do we use them to devise a plan to prove triangle congruence?
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3-2 Triangle Congruence by SSS & SAS Postulate 14-Side-Side-Side (SSS) Postulate Postulate-If the three sides of one triangle are congruent to the three. Sides of another triangle, then the two triangles are congruent. If... AB DE BCEF, AC DF A Then...A ABCEADEF Problem 1-Using SSS Given: LMNP LP Nin Prove: ALMNNPL S DIMNP (3) Given-Pair of sides OTP NM (S@Given-Pair of sides INNLCS Reflexive Property DOLMN AMPLISSS Got It? Given: BCBF CD FD Prove: ABCDEA BFD F D B ||| M U a BDBD (s) reflexive (D=FD(S) given BCBF (S) alven E 卅 ABCD SABED Practice! Given: IEGH, EFHF, F is the midpoint of GI Prove: AEFTAHFGE TE GH (S) given EFHF (S) given Fis the midpoint of GI given H Then... AABADEF H no FIMFG (s) def. of a midpoint 'H AEFT OHFG SSS post. Postulate 15-Side-Angle-Side (SAS) Postulate Postulate-If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent. If... ABDE, LASD, AC OF Using SAS What other information do you need to prove ADEF=AFGD by SAS? Explain. E need these angles. You need an angle that is between the two sides we know that is 4. Need to Know 4EFD46DF Know EF GD-given DF=FD-reflexive Got It? - What other information do you need to prove ALEBE ABNL by SAS? L E know ZELBENBL "B LB BL-reflexive N 3. + L - What other information, if any, do you need to prove the two triangles congruent loy SAS? Explain. # know GLT NMA TEMQ Need to Know TGYMN N Q 4. know TRSW RTV TSVU Identifying Congruent Triangles. -would S Need to know NB EL 4 سجد Need to Know RS WIL or LTU you use SSS or SAS to prove the triangles congruent? If...
3-2 Triangle Congruence by SSS & SAS Postulate 14-Side-Side-Side (SSS) Postulate Postulate-If the three sides of one triangle are congruent to the three. Sides of another triangle, then the two triangles are congruent. If... AB DE BCEF, AC DF A Then...A ABCEADEF Problem 1-Using SSS Given: LMNP LP Nin Prove: ALMNNPL S DIMNP (3) Given-Pair of sides OTP NM (S@Given-Pair of sides INNLCS Reflexive Property DOLMN AMPLISSS Got It? Given: BCBF CD FD Prove: ABCDEA BFD F D B ||| M U a BDBD (s) reflexive (D=FD(S) given BCBF (S) alven E 卅 ABCD SABED Practice! Given: IEGH, EFHF, F is the midpoint of GI Prove: AEFTAHFGE TE GH (S) given EFHF (S) given Fis the midpoint of GI given H Then... AABADEF H no FIMFG (s) def. of a midpoint 'H AEFT OHFG SSS post. Postulate 15-Side-Angle-Side (SAS) Postulate Postulate-If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent. If... ABDE, LASD, AC OF Using SAS What other information do you need to prove ADEF=AFGD by SAS? Explain. E need these angles. You need an angle that is between the two sides we know that is 4. Need to Know 4EFD46DF Know EF GD-given DF=FD-reflexive Got It? - What other information do you need to prove ALEBE ABNL by SAS? L E know ZELBENBL "B LB BL-reflexive N 3. + L - What other information, if any, do you need to prove the two triangles congruent loy SAS? Explain. # know GLT NMA TEMQ Need to Know TGYMN N Q 4. know TRSW RTV TSVU Identifying Congruent Triangles. -would S Need to know NB EL 4 سجد Need to Know RS WIL or LTU you use SSS or SAS to prove the triangles congruent? If...
iOS User
Stefan S, iOS User
SuSSan, iOS User
there is A not enough information to prove the triangles congrant by SSS or SAS, write not enough information Explain your answer B. Ves SAS D Yes, SSS or SAS Got It! - Woul you use Not enough info, the second triangle is a non-included angle. 5. P SSS or SAS to prove the triangles below congruent? Explain. A -SS3 because the second triangle is a non-included angle, not that same. angle as first. C. Would you use SSS or SAS to prove the triangles congruent? If there is not enough information to prove the triangles congruent by SSS or SAS, write not enough information. Explain your answer. 6. pet NET, do not have an included angle. JES Yes, SSS B D с SAS because you have a side angle & can prove AC² CA by reflexive property.