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shartman22
01.02.2020 •
Mathematics
Find bc. round to the nearest tenth
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Ответ:
Find BC: triangle is laying on it's side with the point to the right point(A).
B to C= 61 degrees
C to A= 23 cm
A to B= 12 degrees
If I interpret this correctly:
Angle A = 61º
Angle C = 12º
--> B = 103º
Side b = 23 cm
BC is side a, opposite angle A
23/sin(103) = a/sin(61)
a = 23*sin(61)/sin(103)
a =~ 20.6 cm
Hope this helped :)
Ответ: