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anonymous
 one year ago
The diameter of circle C is 18 cm. Chord AD is the same length as a radius. Does that make angle BDA a right angle?
anonymous
 one year ago
The diameter of circle C is 18 cm. Chord AD is the same length as a radius. Does that make angle BDA a right angle?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have to solve for angles BDA and DBA

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@amistre64 can you help me?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2what do we know of circle thrms? any that you think would be useful?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2A is a right angle, not D

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2EF is a radius, but so is CF and CE, would making a triangle CEF help us out? and what sort of triangle is it? just some thoughts

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2dw:1433523371575:dw not too sure if it helps or not

Here_to_Help15
 one year ago
Best ResponseYou've already chosen the best response.0IS this your question? 1. The diameter of circle C is 18 cm. Chord AD is the same length as a radius. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use π 3.14) a.) What are the measures of angles BDA and DBA? b.) What is the sine of angle DBA? c.) Find the length of arc AB to the nearest hundredth. d.) How does the length of arc AD compare to the length of arc AB? e.) If EF =1/2 BD, then what is the degree measure of arc EF?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you @amistre64 as long as I know it's 90 degrees it makes this whole question lot easier.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Here_to_Help15 yea it is(I didn't upload that though), I just needed a little help.

Here_to_Help15
 one year ago
Best ResponseYou've already chosen the best response.0Oh here want the explanations for all those?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no, I could do it but thanks though :)
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