180 - 250 = 130
180 - 130 = 50
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Circle centered at O has two radii, OA and OB, and two chords, AD and BD. Secants BC and AC are drawn that intersects each other outside the circle at C. Central angle BOA measures 250 degrees.
What is the measure of angle BDA in degrees?
What is the measure of angle BCA in degrees?
1 answer