When two straight secants intersect, 8 corners are formed. One of them is 112 °. This means that the second angle will be 180 – 112 = 68 °. The rest of the corners are either adjacent or vertical. This means that 4 angles will be 112 ° each, and 4 angles will be 68 ° each.
Answer: four corners of 112 °, four corners of 68 °.
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