The value of the angle measures as required is;
- <a = 125°
- <b = 55°
- <c = 125°
- <e = 125°
- <f = 55°
- <h = 55°
Vertically opposite angles and Sum of angles on a straight line
Vertically opposite angles otherwise referred to as X-angles are angles opposite each another at the point of intersection of two line and hence, are equal.
According to line geometry, the sum of angles on a straight line is; 180°
The statements above provide premises for the values supplied in the aforementioned answers.
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