benhimmel88
benhimmel88 benhimmel88
  • 10-05-2020
  • Mathematics
contestada

Study the following diagram of circle C, where AB¯¯¯¯¯¯¯¯ is a diameter that bisects the chord EF¯¯¯¯¯¯¯¯.
The circle as described in the problem. Segments C E and C F are marked congruent.


If m∠ACF=2(7x−4), what is the value of x?
Enter the correct value.

Study the following diagram of circle C where AB is a diameter that bisects the chord EF The circle as described in the problem Segments C E and C F are marked class=

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ronhagrid310
ronhagrid310 ronhagrid310
  • 10-05-2020

Answer:

ACF = 90 deg

=> 2(7x-4) =90

=> 14x = 98

=> x=7

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