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04.05.2020 •
Mathematics
Please help me find the m
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Ответ:
m∠ABC = 87°
Step-by-step explanation:
Circle P has a total measurement of 360°
Add arc AB and arc BC together and subtract that from 360 to get arc ADC
arc ADC = 174°
Since ∠ABC is inscribed in circle P, let's call it x
∠ABC will be 1/2 the amount of arc ADC
Therefore arc ADC = 2x
So let's plug in the numbers
174 = 2x
Divide both sides by 2
x = 87
Ответ: