An acute obtuse or right angle will be an angle adjacent to an angle of 130 degrees.

Adjacent angles add up to an extended angle of 180 °.

This means that the adjacent angle to a given angle of 130 ° will have a value:

180 ° – 130 ° = 50 °.

An angle of 50 ° is acute because it is less than 90 °.

Answer: the angle will be sharp.

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