The lines are reciprocal because they cross to form an X. Also 4/5 is the reciprocal of 5/4
Answer:
49%
Step-by-step explanation:
7 percent of 500=35%
<em>m</em>∠CDF + <em>m</em><em>∠</em><em>EDF</em><em> </em><em>=</em><em> </em><em>∠</em><em>CDE</em>
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<em>m</em><em>∠</em>CDE
= 3 × 40 + 10
= 120 + 10
= 130°
<h3>Then , <em>m</em>∠CDF =</h3>

<h2>•°• <em>m</em><em>∠</em>CDF = 65°</h2>
Answer:
90
Step-by-step explanation:
*One half of two fifths of x.