Question

In circle A shown below, Segment BD is a diameter and the measure of Arc CB is 54°.

Points B, C, D lie on Circle A; line segment BD is the diameter of circle A; measure of arc CB is 54 degrees.

What is the measure of ∡DBC?

54°

36°

27°

63°

Answer 1

90-27

Answer 2

63

Answer 3

right

Answer 4

but where does 27 cum from ?

Answer 5

half of 54...
the arc measure is 54 so angle D is half that...
and you know angle C is 90 because the whole side is a diameter (hypotenuse)

Answer 6

oh ok i get it a little bit

Answer 7

:)