mheiser8768
04.02.2021 •
Mathematics
Finding x - cicrle theorems
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Ответ:
x = 30
Step-by-step explanation:
AB is a tangent to the circle so ∠ ABO = 90°
The sum of the 3 angles in a triangle = 180° , then
x + 2x + 90 = 180
3x + 90 = 180 ( subtract 90 from both sides )
3x = 90 ( divide both sides by 3 )
x = 30
Ответ:
5 hundredths
5/100
Step-by-step explanation: