brinley456
brinley456 brinley456
  • 12-01-2018
  • Mathematics
contestada

How do I solve #14????

How do I solve 14 class=

Respuesta :

Kaikerscupcake
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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