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Week 2. Warm Up. 01.11.12. Use < > or = to fill in the blanks. Ex 1. Given:. ABCD and AEFG are parallelograms. Prove:. ∠ 1 ≅ ∠ 3. ABCD and AEFG are. Opposite ∠’s of a are ≅. Opposite ∠’s of a are ≅. Given. ∠ 1 ≅ ∠ 2. ∠ 2 ≅ ∠ 3. ∠ 1 ≅ ∠ 3.
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Week 2 Warm Up 01.11.12 Use < > or = to fill in the blanks.
Ex 1 Given: ABCD and AEFG are parallelograms. Prove: ∠1 ≅∠ 3 ABCD and AEFG are Opposite ∠’s of a are ≅. Opposite ∠’s of a are ≅. Given ∠1 ≅∠ 2 ∠2 ≅∠ 3 ∠1 ≅∠ 3 Transitive Property of Equality
A B Prove: ∠A ≅ ∠C Ex 2 ∠B ≅ ∠D C D ABCD is a Given Opposite sides of ≅ AD ≅ BC Opposite sides of ≅ AB ≅ DC BD ≅ BD Reflexive Property of Congruence ΔABD ≅ ΔCBD SSS ∠A ≅ ∠C CPCSC ∠B ≅ ∠D CPCSC
Ex 3 4k - 2 m + 14 4m - 7 = m + 14 4k - 2 = k + 28 4m - 7 k + 28 3m = 21 3k = 30 m = 7 k = 10
Q A parallelogram that is a quadrilateral has _________ angles that are supplementary. R Review Do 1: What is the value of f and g? S P 2f - 5 f + 2 f + 2 g 5f - 17 Assignment: Handout – 6.2B