Answer:
Vertically opposite angles
Step-by-step explanation:
Given
Required
What else can measure
The question has missing options. So, I will give a general explanation.
Using the attached image as a point of reference.
Given that:
The value of b is calculated as:
Because b and are vertically opposite angles
<em>This gives:</em>
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<em></em>
<em>So, one possible answer to the question is a vertically opposite angle</em>
