aubreytim47 aubreytim47

11-02-2021
Mathematics

contestada

The measure of angle AFB = 78°

The measure of angle AFB 78 class=

The measure of angle AFB 78 class=

Respuesta :

greer3667 greer3667

11-02-2021

Answer: is C

Step-by-step explanation: you have a 90 so 90-78 is 12

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mariaisamazing mariaisamazing

11-02-2021

The answer is 12

We know that angles AFB and CFD and BFC sum up to 180

Using this information we can write the equation

AFB + CFD +BFC = 180

Now substitute known values:

78 + 90 (it is a right angle) + BFC = 180

Now solve-
You should get

180-168 which is 12

Answer Link

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