Chapter 6 â Quadrilaterals Lesson 6.2 â Parallelograms ...
Chapter 6 â Quadrilaterals Lesson 6.2 â Parallelograms ...
Chapter 6 â Quadrilaterals Lesson 6.2 â Parallelograms ...
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NOW TRY THIS: Prove that if and are thediagonals of ABCD, BEC DEA and BEA BCDEC.Given: ABCDProve: BEC DEAAEDBEA DECStatementsReasons1. ABCD 1. Given2.BCA DAC, DBC BDA,BAC DCA, ABD CBD2. If 2 || lines are cut by atransversal then each pair ofalternate interior ’s are .3. BC DA , AB CD 3. Def of parallelogram4. BEC DEA, BEA DEC 4. ASAExample 2: Quadrilateral RSTU is aparallelogram. Find mURT, mRST, and y.m URT3y =18y = 640, m RST=122,NOW TRY THIS: Quadrilateral LMNP is a parallelogram. FindmPLM, mLMN, and d.2d22d 11m PLM 108m LMN 72<strong>Lesson</strong> <strong>6.2</strong> – Page 2