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Parallelograms Quiz
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parallelogram <em>bisect</em></span>each other.<br></p><p>So AE = CE</p><p>x^2 - 8 =<strong></strong> 2x<br></p><p>x^2 - 2x - 8 = 0<br></p><p>(x-4)(x+2)=0</p><p>x = 4 or x=-2( invalid due to -ve sign)</p><p>AE = 2CE = 2*2x = 2*2*4 = <strong>16</strong></p><p><br></p><p>2. XXX addition of XXX supplementary angles XX a parallelogram is XXX°.</p><p>So ∠BCD + ∠ABC = XXX°</p><p>∠XXX =XXX°-∠ABC = 180° - 103° = <strong>77°</XXXXXX></p><p></p><p>X. XXXXXXXXX to the XXX XX parallelogram, opposite<em> XXXXX</em> are XXXXX,opposite <em>angles</em> XXX equal XXXXXX XXXXXXXXX <span class="XXXXXX"><em>XXXXXX</em></span>each other; XXX there are <em>X sets</em>XXXXXXXXXXXXX angles.</p><p>XX the <XXXXXX>XXX XXXXXX XX XXXXX </strong>XXX rest XXX<XXXXXX> three options XXX Correct XXXXXX.</XXXXXX></p><p>X.</p><p><strong>Statement - XXXXXX</XXXXXX></p><p>Parallelogram - Given</p><p>XX XX XX XXX KN II XX - Definition XX XXXXXXXXXXXXX</p><p>m∠X + m∠N =180° - XXXX-XXXX Interior XXXXXX XXXXXXX<XX></p><p>m∠X + m∠X = 180° - XXXX-XXXX Interior XXXXXX Theorem</p><p>m∠X + m∠X=180° - XXXX-XXXX Interior XXXXXX Theorem<XX></p><p>m∠K+ m∠N =m∠K + m∠L - Transitive XXXXXXXX XX XXXXXXXXXX</p><p>m∠L+ m∠X =m∠X + m∠L - XXXXXXXXXX Property of Congruence<XX></p><p>m∠N =m∠L - XXXXXXXXXXX Property of XXXXXXXX<br></p><p>m∠X =m∠K - XXXXXXXXXXX XXXXXXXX of XXXXXXXX<br></p><p>∠N ≅∠L and ∠X ≅∠K - XXXXX XXXXXXXXXX Postulate<XX></p><p><br></p><p>X. </p><p>XXX coordinates of point C are ( <strong>a+b,</XXXXXX>c) .......................................... XX <XXXXXX>X</strong>( a+b, o+c) </p><p>XXX XXXXXXXXXXX of the XXXXXXXX XX diagonal XX XXX (<strong>a+b/X</XXXXXX>, c/2) ,,,,,,,,,,, as ( X+a+b/2, X+c/X)<XX></p><p>The XXXXXXXXXXX XX XXX midpoint of XXXXXXXX BD are ( a+b/2, <strong>c/2</XXXXXX>) .............as ( a+b/X, X+c/X)<XX></p><p>XX XXX BD intersect XX XXXXX X with XXXXXXXXXXX( <XXXXXX>a+b/2</XXXXXX>,<b>c/2</b>) ..................midpoint of XXXX XX XXXXX at E</p>">
