The measure of two angles in a triangle are shown in the diagram.
Which equation can be used to find the value of z?
Responses
A 2(42) + z = 1802(42) + z = 180
B 42 + 2z = 18042 + 2 z = 180
C 42 + 2z = 36042 + 2 z = 360
D 2(42) + z = 3602(42) + z = 360
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The measure of the angles in a triangle always adds up to 180 degrees.
The equation that can be used to find the value of z is:
B) 42 + 2z = 180