Question

In circle A shown below, Segment BD is a diameter and the measure of Arc CB is 48°:
What is the measure of ∠DBC?

Answer 1

if BD is a diameter of the circle, then angle DCB must be 90 deg....

Answer 2

Hmm you think ?

Answer 3

just checking :P

well then u know 2 out of 3 angles in a triangle n u know the sum is 180 so u can solve for the unknown one.

Answer 4

Haha but how'd you even get 90 ?

Answer 5

Try this: http://www.mathopenref.com/semiinscribed.html

Answer 6

But I'd have to be 42. You just made this super simple

Answer 7

Thank you !

Answer 8

welcome :) so whats the ans?

Answer 9

42 degrees I got it thanks a lot !

Answer 10

correct - good work! :)