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Sunshine447
 3 years ago
Can someone please help me with this? The lesson explains it, but I just don't get it.....
Jerry inscribed a quadrilateral ABCD in a circle, as shown below.
http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0800_Subtest_01_06/image0024e67730b.jpg
If the measure of arc BCD is 250°, what is the measure of angle BCD?
Sunshine447
 3 years ago
Can someone please help me with this? The lesson explains it, but I just don't get it..... Jerry inscribed a quadrilateral ABCD in a circle, as shown below. http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0800_Subtest_01_06/image0024e67730b.jpg If the measure of arc BCD is 250°, what is the measure of angle BCD?

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amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0cant link directly to flvs

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.0It's from the lesson...

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1354227203795:dw

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0notice that the angle at c ison the edge of the circle; there is a property that says this angle is half the arc across from it

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.0where does the 250 come from?

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0BCD = 250 is stated in the question ....

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.0The inscribed quadrilateral theorem?

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0i got no idea what its spose to be called :)

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.0I got 10 and 5 when I solved the part you wrote....... @amistre64

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0360250 is the arc that angle BCD is facing soo; BCD = (360250)/2 = 110/2 = 55 to me

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.0ohhhhhhhhhhhhhhhhhhhh okay, so it's 55 because it's half of the opposite arc?
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