ivesrbio
ivesrbio
21-05-2018
Mathematics
contestada
What is the length of segment EC?
Respuesta :
upandover
upandover
21-05-2018
Hi there!
Let's use the relationships for external secants.
Equation:
14(14 + 16) = 10(10 + EC)
Solving:
420 = 100 + 10EC
320 = 10EC
EC = 32
EC = 32 + 10
EC = 42
ANSWER:
D - 42
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