Question

PLEASE HELP!! Refer to the figure to find the following measures.
https://media.glynlyon.com/a_matgeo_2011/6/groupi55.gif
Given: BD is a diameter

m Angle 1 = 100°

m BC = 30°

m CD = how many degrees
I got CD= 200 degrees

Answer 1

Let's call the center O. DB = 4, OB = 3, OA = 2, OC = 2, that's it?

Answer 2

I don't get the figure =/

Answer 3

yeah i dont really either

Answer 4

hint : m CD = m BD - m BC

Answer 5

well what does BD equal?

Answer 6

look at the given data. whats BD ?

Answer 7

Given: BD is a diameter

Answer 8

a diameter always makes 180 degres

Answer 9

m BD = 180