slonekaitlyn01
09.09.2021 •
Mathematics
Triangle RST has angles 32* and 75* R'S'T have angles 67* and 38*
the sides are proportional
are they a dialation
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Ответ:
Cosine is adjacent over hypotenuse.
C is the right angle so AB is the hypotenuse.
A is the angle we're interested in, so AC is the adjacent.
cos A = AC/AB = 12/37
12/37