wisal96
18.09.2019 •
Mathematics
Ab and bc are two tangents to a circle which intersect outside the circle at a point b. if the measure of arc ac is 160°, what is the measure of angle abc?
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Ответ:
arc AC = 160° (given)
arc ADC = 360 - 160 = 200°
∠ABC = (200-160)/2= 20° ← answer
Ответ:
n+3
step-by-step explanation:
we are increasing our answer by 3 every time. we are moving from negatives to positives, which can make it look confusing, but we are indeed increasing by 3. our next to numbers would be 4, 7, and 10.