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What is the measure of  DF?

 

CrazyDaizy  Jun 2, 2017

Best Answer 

 #2
avatar+5561 
+4

I think you want the measure of the arc DF 

 

 

\(\angle{DEF}=\frac12\,\cdot\,\overset{ \frown}{DF} \\~\\ 72^{\circ}=\frac12\,\cdot\,\overset{\frown}{DF} \qquad \text{ Multiply both sides of the equation by 2.} \\~\\ 144^{\circ}=\overset{\frown}{DF}\)

hectictar  Jun 2, 2017
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2+0 Answers

 #1
avatar+445 
+1

I'll think and then edit this.

ZZZZZZ  Jun 2, 2017
edited by ZZZZZZ  Jun 2, 2017
 #2
avatar+5561 
+4
Best Answer

I think you want the measure of the arc DF 

 

 

\(\angle{DEF}=\frac12\,\cdot\,\overset{ \frown}{DF} \\~\\ 72^{\circ}=\frac12\,\cdot\,\overset{\frown}{DF} \qquad \text{ Multiply both sides of the equation by 2.} \\~\\ 144^{\circ}=\overset{\frown}{DF}\)

hectictar  Jun 2, 2017

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