neverfnmind
15.02.2021 •
Mathematics
HELP 69pts Which comparison is true?
A. 4
B. 4.5 < 718 < 5
C. 8.5 < V18 < 9.5
D. 17 < 118 < 19
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Ответ:
C
Step-by-step explanation:
Ответ:
4
Step-by-step explanation:
In triangle OCB,
OB2 = OC2 + BC2
52 = 32 + BC2
BC2 = 25 - 9
BC2 = 16
BC = 4