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Mathematics 9 Online
Scarlet23:

Find the following arc measures

Scarlet23:

AZ:

Since it's the central angle, the intercepted arc is going to be the same value

1 attachment
AZ:

So what is the \( m \overset{\Huge\frown}{DE}\) |dw:1617936583682:dw|

Scarlet23:

104

AZ:

Exactly! Good job! Now what about \( m \overset{\Huge\frown}{FE}\) Remember the angles are in a straight line so they should add up to 180

Scarlet23:

180?

Scarlet23:

76?

AZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Scarlet23 76? \(\color{#0cbb34}{\text{End of Quote}}\) yes |dw:1617937004318:dw|

AZ:

so now what would \( m \overset{\Huge\frown}{DEF}\) be? |dw:1617937130080:dw|

Scarlet23:

180

AZ:

Good! And now \( m \overset{\Huge\frown}{CFD} = ?|dw:1617937341915:dw|\)

Scarlet23:

284

AZ:

Good! And now \( m \overset{\Huge\frown}{DFE} = ?\) |dw:1617937557089:dw|

Scarlet23:

256

AZ:

and that's all for question #1 did you understand? the arc is going to be equal to the angle essentially

Scarlet23:

yes i understand

AZ:

so can you do the same thing for #2

Scarlet23:

i believe so

Scarlet23:

thank you

AZ:

No problem! If you want me to check your answers, feel free to post it and I'd be more than happy to look over it!

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