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tressasill
30.03.2020 •
Mathematics
3. Consider circle K on the right, where mZSKA= 74º.
740
Determine mzNTS.
A 370
B 74°
C 53°
D 106°
Solved
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Ответ:
C
Step-by-step explanation:
Angle AKS subtends Arc AS in the center of the circle. It will be the same measure as the Arc. If it were to subtend on the opposite end of the circle, the measure would have been HALF.
So, we can say:
Arc AS = 74
Now, Arc AN is half of the circle, so its measure is 180 degrees.
Since Arc AS is 74, we can say:
Arc SN + Arc AS = 180
Arc SN + 74 = 180
Arc SN = 106
Now,
Angle NTS subtends Arc SN to the opposite side of the circle, so its measure will be HALF of Arc SN. Hence:
∠NTS = 0.5 * 106
∠NTS = 53°
Answer choice C is right
Ответ:
You know u want to give me brain something something
Step-by-step explanation:
I honestly don't know why we need 20 characters