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Mathematics 17 Online
OpenStudy (anonymous):

What is the measure of ∠a? I can't get these.. A. 72° B. 66° C. 108° D. 114°

OpenStudy (anonymous):

OpenStudy (anonymous):

72

OpenStudy (anonymous):

A or B

OpenStudy (anonymous):

An angle greater than 180 degrees is called a reflex angle.You can measure angles all the way to 360 degrees. If you measured an angle as 361 degrees it would be the same as 1 degree.

OpenStudy (anonymous):

that's pretty much all I know.... I suck at these too

OpenStudy (anonymous):

That is an acute angle and an acute angle is less than 90 degrees

OpenStudy (anonymous):

Thank you all. I really appreciate it.

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