brinley456
brinley456
12-01-2018
Mathematics
contestada
How do I solve #14????
Respuesta :
Kaikerscupcake
Kaikerscupcake
12-01-2018
All the measures in a triangle are equal to 180 degrees.
Let the unknown angle= x.
40+89+x= 180
Combine like terms.
129+x= 180
Subtract 129 from both sides.
x= 51
The angle is equal to 51.
I hope this helps!
~kaikers
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