edjiejwi
30.01.2021 •
Mathematics
What is 676 divided by 13. I need help on this answer like really bad :(
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Ответ:
52
Step-by-step explanation:
676 divided by 13
676 ÷ 13 = 52
Shown below
Ответ:
Let the chord- part of VC inside smaller circle be a, and same of CU be b.
According to intersecting secants theorem we have:
CI * (CI + a) = CJ * (CJ + b)and
VC *(CI + a) = CU * (CJ + b)From the second equation we get:
CU = VC * (CI + a) / (CJ + b)From the first equation we get:
CI + a = CJ * (CJ + b) / CI,substitute this into the second equation:
CU = VC * CJ * (CJ + b) / CI * 1/ (CJ + b)CU = VC * CJ / CICU * CI = VC * CJProved