nene6026
nene6026
02-02-2021
Mathematics
contestada
What is the value of ?
86°
84°
?
360
Helpppo !
Respuesta :
kirabowen15
kirabowen15
02-02-2021
All angles in a triangle measures 180 degrees
Add all the angles in triangle 2
84 + 36 = 120
The angle that is divided between triangle 1 and 2 measures 90 degrees so we are gonna add it to the total of triangle 2
120 + 90 = 210
Because no angles in a triangle measures 210 we are gonna subtract 180 from .
210 - 180 = 30
The missing angle in the second triangle is;
180 - 120 = 60 degrees
The total we got after subtracting 180 from 210 is the missing angle for the divided side of triangle 1.
Now that we have 2 angles we can now find “?”
To find “?” we are gonna add the two angles we have and subtract it from 180.
86 + 30 = 116
180 - 116 = 64
Therefore “?” is equal to 64 degrees.
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