Darnelle drew this figure and the accompanying equations.
w + x + y = 180 y + z = 180which equation must also be true?
a
w + z = 180
b
y – x = w
c
w + x + z = 180
d
w + x = z

Option D. w + x = z

Step-by-step explanation:

see the attached figure to better understand the problem

we have

----> equation A

----> equation B

equate equation A and equation B

Subtract y both sides

This equation satisfy the Triangle Exterior Angle Theorem (An exterior angle of a triangle is equal to the sum of the opposite interior angles)

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step-by-step explanation:

step-by-step explanation:

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