jpaintballer1
28.01.2021 •
Mathematics
PLEASE HELP WITH WORK ILL GIVE BRAINLIEST!
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Ответ:
49°
Step-by-step explanation:
arc AB subtends a central angle of 98°
Let O be the center of the circle.
∠OAB = ∠OBA = (180°-98°)/2 = 41°
Assuming that BC is tangent to the circle, ∠OBC = 90°
∠ABC = ∠OBC - ∠OBA = 90° - 41° = 49°
Ответ:
91.49%
If you’re rounding to the nearest tenth, the. 91.4%. Hope this helps!