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An angle that measures exactly 90° is called a:

Class 9Geometrical Terms and DefinitionsGeometry — Foundations
  • AAcute angle
  • BRight angle
  • CObtuse angle
  • DStraight angle

Step-by-Step Solution

A right angle measures exactly 90°. Acute is less than 90, obtuse is between 90 and 180.
Answer: B) Right angle

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