jenbucker jenbucker
  • 22-07-2017
  • History
contestada

If the measure of arc DEF is 232°, what is the measure of ∠DEF?

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jacoballahar
jacoballahar jacoballahar
  • 22-07-2017
this answer to this problem is 64
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erinna erinna
  • 14-08-2019

Answer:

The measure of angle DFE is 64°.

Explanation:

Given information:The measure of arc DEF is 232°.

The measure of minor arc DF is

[tex]Arc(DF)=360^{\circ}-232^{\circ}=128^{\circ}[/tex]

According to central angle theorem, the measure of angle inscribed on a circle is half of its central angle.

[tex]\angle DE F=\frac{\angle DOF}{2}[/tex]

[tex]\angle DE F=\frac{128}{2}[/tex]

[tex]\angle DE F=64[/tex]

Therefore the measure of angle DFE is 64°.

Ver imagen erinna
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