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Mathematics 18 Online
OpenStudy (junhaoz):

Geometry question, will medal and fan: In circle A shown below, Segment BD is a diameter and the measure of Arc CB is 48°: Points B, C, D lie on Circle A. Line segment BD is the diameter of circle A. Measure of arc CB is 48 degrees. What is the measure of ∠DBC? 48° 66° 24° 42°

OpenStudy (junhaoz):

@welshfella

OpenStudy (junhaoz):

@awesomemiss

OpenStudy (awesomemiss):

umm im kinda stummped i can't get the page with the drawing sorry

OpenStudy (junhaoz):

OpenStudy (awesomemiss):

hold on r u in FLVS home schooling

OpenStudy (awesomemiss):

ok thanks

OpenStudy (junhaoz):

I'm just taking classes on it, not homeschool

OpenStudy (awesomemiss):

oh ok nvm then

OpenStudy (awesomemiss):

@welshfella

OpenStudy (junhaoz):

@mathmate

OpenStudy (awesomemiss):

@mathmate

OpenStudy (mathmate):

@JunhaoZ Congrats, having drawn the diagram from verbal description is half the geometry problem done! Here is a hint: |dw:1464465038792:dw| Solve for angle DBC!

OpenStudy (junhaoz):

I still have no clue...

OpenStudy (junhaoz):

@Hero @Mehek14 @TheSmartOne

OpenStudy (junhaoz):

what can I use to find the measure of DBC?

OpenStudy (mathmate):

Further hints: |dw:1464465600159:dw| We have an isosceles triangle ACB where AC=AB=radius of circle. Angle A = 48 degrees. Use sum of angles of a triangle (=180 degrees) to solve the problem.

OpenStudy (junhaoz):

would it be 66?

OpenStudy (awesomemiss):

i think its 66

OpenStudy (awesomemiss):

i think JunHaoZ is right

OpenStudy (mathmate):

66 is correct, because the angle equals (180-48)/2=66 degrees.

OpenStudy (awesomemiss):

ok

OpenStudy (junhaoz):

thx!

OpenStudy (mathmate):

You're welcome!

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