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disa [49]
4 years ago
13

Calcule o valor de x, sabendo que as retas “e” “f” e “a” são paralelas

Mathematics
1 answer:
Julli [10]4 years ago
8 0

Answer:

c

Step-by-step explanation:

\frac{x}{25}=\frac{60}{40}\\\\By\:Thales's\:Theorem\\\\x=\frac{60*25}{40}\\\\x=\frac{60*5}{8}\\\\x=\frac{15*5}{2}\\\\x=\frac{75}{2}\\\\x=37.5

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Step-by-step explanation:

Alright, lets get started.

The two chords are intersection each other at point B.

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The arc DE will be same length as arc AC because angle ABC and angle DBE are same that is 39 degrees.

So, arc DE = 41

So, the answer is DE = 41 degrees ....   Answer : option D

Hope it will help :)

5 0
3 years ago
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