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General

General

Easy

Question

In the figure, AC is a diameter of the circle and the length of AB is 1. If the radius of the circle is 1, what is the measure, in degrees, of $angle B A C$

60⁰
50⁰
80⁰
70⁰

The correct answer is: 60⁰

60
because BAC is formed from the endpoints of diameter, its measure is 90^o.
since AB=1 and AC=2
$capital delta A B C space i space a space 30 minus 60 minus 90 T r a i a n g l e space a n d space B A C equals 60$

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