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ZABC is a straight angle. Which equation can be used to find the measure of
the unknown angle?
?
450
А
B
1)
45 x 180 = 0
180 = 45 = 0
180 – 45 = 0
45 + 180 = 0
Done

ZABC is a straight angle Which equation can be used to find the measure of the unknown angle 450 А B 1 45 x 180 0 180 45 0 180 45 0 45 180 0 Done class=

Respuesta :

Answer:

180-45=135

Step-by-step explanation:

The unknown angle can be found by subtracting 180-45=135. ABC measures 180 because it is a straight angel and ABC meausres 45.

oakleyhaskell
since ABC is a straight angle, it measures 180°. since you have 45° already, you can input it into an equation.

45 + x = 180

or

180 - 45 = x

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