Circumference 81778

Points A and B lie on the circle k. The circumference of the circle k is 40 CM, and the length of the circular arc AB is 10 CM. Determine the size of the angle ABS.

Correct answer:

α =  90 °

Step-by-step explanation:

o=40 cm a=10 cm  α=oa 360=4010 360=4010 360=403600=90

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