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Geometry 20 Online
OpenStudy (jordanfuse2):

Help please!

OpenStudy (luckyness):

Can you please post the question?

OpenStudy (jordanfuse2):

OpenStudy (helpkay):

is this a multiple chose question

OpenStudy (helpkay):

so all angel are 90 degrees right

OpenStudy (helpkay):

are 180

OpenStudy (mathstudent55):

|dw:1459186710934:dw|

OpenStudy (jordanfuse2):

No it is not multipe choice and no i do not think so. Only the one angle is 90

OpenStudy (mathstudent55):

|dw:1459186865979:dw|

OpenStudy (helpkay):

https://www.mathsisfun.com/angles.html

OpenStudy (mathstudent55):

You are interested in the length of arc AD, so you first need to find the angle measure of arc AD.

OpenStudy (mathstudent55):

What is the angle measure of a complete circle?

OpenStudy (mathstudent55):

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