KiemaBear
24.11.2020 •
Mathematics
Find m∠BOC in the figure if m∠AOC = 77°.
Question 18 options:
A)
71°
B)
18°
C)
65°
D)
59°
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Ответ:
c^2=a^2+b^2
Put values
16^2 = 5^2 +b^2
256=25+b^2
Subtract 25 from both sides.
231=b^2
Take square root.
15.2=b
or
b=15.2 Rounded to nearest tenth.