Use the diagram to find the value of a. The parallel lines are marked.
452
72
62
62

62°

Explanation:

The two parallel lines (the parallel lines are marked using the arrow) are crossed by a transversal (the straight line which cuts across the two parallel lines). When two parallel lines are cut by a transversal, angles created in matching corners are corresponding. This led to the creation of the corresponding angles at the point marked 62° and point a.

According to parallel lines theorem, corresponding angles are equal, hence, since we have been given the value of one of the angles to be 62°, the corresponding angle marked a will also be 62°

Hence, a = 62° (Corresponding angles)

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The zhou dynasty (1046-256 bce) was the longest-lasting of china's dynasties. it followed the shang dynasty (c. 1600-1046 bce) and it finished when the army of the state of qin captured the city of chengzhou in 256 bce.