the opposite angle of parallelogram equal probe that
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✯✯ QUESTION ✯✯
Prove that opposite angles of parallelogram are equal..
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✰✰ ANSWER ✰✰
⠀⠀⠀⠀⠀⠀(Refer to the attachment)
➮Given : -
- AB = CD
- BC = AD
➮To Prove : -
➮Proof : -
✔In Δ ABC and Δ ADC : -
(Given)
(Given)
(Common)
☛So , By SAS Rule Δ ABC ≅ Δ ADC...
➥Now ,
(By CPCT Rule)
➮Similarly ,
(By CPCT Rule)
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★SSS Rule : -
If three sides of one triangle are equal to the three sides of another triangle then the two angles are congruent.
★CPCT means Corresponding Parts of Congruent Triangle.
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