in the figure seg AB is the diameter. m(CAB =50degree . what is measure angle CDA?
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angle ACD =90° (angle in a semicircle)
join CB
then sum of the angles in triangle ABC=180°
angle CAB+angle ACB+angle ABC =180°
angle CBA= 180°- (50°+90°)
angle CBA = 40°
angle CDA =40° (angle in major segment are equal)
join CB
then sum of the angles in triangle ABC=180°
angle CAB+angle ACB+angle ABC =180°
angle CBA= 180°- (50°+90°)
angle CBA = 40°
angle CDA =40° (angle in major segment are equal)
ss00:
how CDA =40
Answered by
1
3) 40 degree is correct answer
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